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400010934 = 23440915121
BaseRepresentation
bin10111110101111…
…010111010110110
31000212200122211210
4113311322322312
51304400322214
6103405342250
712625015431
oct2765727266
91025618753
10400010934
11195883154
12b1b67986
1364b4657b
143b1a8818
15251b6b59
hex17d7aeb6

400010934 has 16 divisors (see below), whose sum is σ = 800256240. Its totient is φ = 133297920.

The previous prime is 400010927. The next prime is 400010951. The reversal of 400010934 is 439010004.

It is a self number, because there is not a number n which added to its sum of digits gives 400010934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18894 + ... + 34014.

It is an arithmetic number, because the mean of its divisors is an integer number (50016015).

Almost surely, 2400010934 is an apocalyptic number.

400010934 is an abundant number, since it is smaller than the sum of its proper divisors (400245306).

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

400010934 is a wasteful number, since it uses less digits than its factorization.

400010934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19535.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 400010934 is about 20000.2733481320. The cubic root of 400010934 is about 736.8130132003.

Adding to 400010934 its reverse (439010004), we get a palindrome (839020938).

The spelling of 400010934 in words is "four hundred million, ten thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 4409 8818 13227 15121 26454 30242 45363 90726 66668489 133336978 200005467 400010934