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1380341400 = 233526593491
BaseRepresentation
bin101001001000110…
…0101011010011000
310120012100121102120
41102101211122120
510311331411100
6344545301240
746130464644
oct12221453230
93505317376
101380341400
11649191a19
12326334820
1318cc87879
14d1475c24
15812b00a0
hex52465698

1380341400 has 96 divisors (see below), whose sum is σ = 4286779200. Its totient is φ = 367427200.

The previous prime is 1380341399. The next prime is 1380341423. The reversal of 1380341400 is 41430831.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393655 + ... + 397145.

It is an arithmetic number, because the mean of its divisors is an integer number (44653950).

Almost surely, 21380341400 is an apocalyptic number.

1380341400 is a gapful number since it is divisible by the number (10) 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 1380341400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143389600).

1380341400 is an abundant number, since it is smaller than the sum of its proper divisors (2906437800).

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

1380341400 is a wasteful number, since it uses less digits than its factorization.

1380341400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1380341400 is about 37152.9460473863. The cubic root of 1380341400 is about 1113.4280838560.

The spelling of 1380341400 in words is "one billion, three hundred eighty million, three hundred forty-one thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 659 1318 1977 2636 3295 3491 3954 5272 6590 6982 7908 9885 10473 13180 13964 15816 16475 17455 19770 20946 26360 27928 32950 34910 39540 41892 49425 52365 65900 69820 79080 83784 87275 98850 104730 131800 139640 174550 197700 209460 261825 349100 395400 418920 523650 698200 1047300 2094600 2300569 4601138 6901707 9202276 11502845 13803414 18404552 23005690 27606828 34508535 46011380 55213656 57514225 69017070 92022760 115028450 138034140 172542675 230056900 276068280 345085350 460113800 690170700 1380341400