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378677040 = 243571713259
BaseRepresentation
bin10110100100100…
…010011100110000
3222101112210020120
4112210202130300
51233420131130
6101324210240
712245462460
oct2644423460
9871483216
10378677040
11184831735
12a6999980
13605b6c71
1438413ba0
15233a0910
hex16922730

378677040 has 160 divisors (see below), whose sum is σ = 1420623360. Its totient is φ = 81457152.

The previous prime is 378677029. The next prime is 378677053. The reversal of 378677040 is 40776873.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 378676983 and 378677001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21931 + ... + 35189.

It is an arithmetic number, because the mean of its divisors is an integer number (8878896).

Almost surely, 2378677040 is an apocalyptic number.

378677040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378677040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710311680).

378677040 is an abundant number, since it is smaller than the sum of its proper divisors (1041946320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378677040 is a wasteful number, since it uses less digits than its factorization.

378677040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299 (or 13293 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 378677040 is about 19459.6258956846. The cubic root of 378677040 is about 723.4741050367.

The spelling of 378677040 in words is "three hundred seventy-eight million, six hundred seventy-seven thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 34 35 40 42 48 51 56 60 68 70 80 84 85 102 105 112 119 120 136 140 168 170 204 210 238 240 255 272 280 336 340 357 408 420 476 510 560 595 680 714 816 840 952 1020 1190 1360 1428 1680 1785 1904 2040 2380 2856 3570 4080 4760 5712 7140 9520 13259 14280 26518 28560 39777 53036 66295 79554 92813 106072 132590 159108 185626 198885 212144 225403 265180 278439 318216 371252 397770 450806 464065 530360 556878 636432 676209 742504 795540 901612 928130 1060720 1113756 1127015 1352418 1392195 1485008 1577821 1591080 1803224 1856260 2227512 2254030 2704836 2784390 3155642 3182160 3381045 3606448 3712520 4455024 4508060 4733463 5409672 5568780 6311284 6762090 7425040 7889105 9016120 9466926 10819344 11137560 12622568 13524180 15778210 18032240 18933852 22275120 23667315 25245136 27048360 31556420 37867704 47334630 54096720 63112840 75735408 94669260 126225680 189338520 378677040