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379678080 = 2735316379
BaseRepresentation
bin10110101000010…
…110110110000000
3222110102122102010
4112220112312000
51234144144310
6101401452520
712260132115
oct2650266600
9873378363
10379678080
11185355841
12a71a1140
13608777b2
14385d490c
15234ec320
hex16a16d80

379678080 has 128 divisors (see below), whose sum is σ = 1249459200. Its totient is φ = 97966080.

The previous prime is 379678027. The next prime is 379678087. The reversal of 379678080 is 80876973.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379678087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56331 + ... + 62709.

It is an arithmetic number, because the mean of its divisors is an integer number (9761400).

Almost surely, 2379678080 is an apocalyptic number.

379678080 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 379678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624729600).

379678080 is an abundant number, since it is smaller than the sum of its proper divisors (869781120).

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

379678080 is a wasteful number, since it uses less digits than its factorization.

379678080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432 (or 6420 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 379678080 is about 19485.3298663379. The cubic root of 379678080 is about 724.1110499866. Note that the first 3 decimals are identical.

The spelling of 379678080 in words is "three hundred seventy-nine million, six hundred seventy-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 310 320 372 384 465 480 496 620 640 744 930 960 992 1240 1488 1860 1920 1984 2480 2976 3720 3968 4960 5952 6379 7440 9920 11904 12758 14880 19137 19840 25516 29760 31895 38274 51032 59520 63790 76548 95685 102064 127580 153096 191370 197749 204128 255160 306192 382740 395498 408256 510320 593247 612384 765480 790996 816512 988745 1020640 1186494 1224768 1530960 1581992 1977490 2041280 2372988 2449536 2966235 3061920 3163984 3954980 4082560 4745976 5932470 6123840 6327968 7909960 9491952 11864940 12247680 12655936 15819920 18983904 23729880 25311872 31639840 37967808 47459760 63279680 75935616 94919520 126559360 189839040 379678080