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400036157 = 12715720063
BaseRepresentation
bin10111110110000…
…001000100111101
31000212201221102222
4113312001010331
51304402124112
6103410055125
712625152113
oct2766010475
91025657388
10400036157
111958a00a4
12b1b7a4a5
1364b54bb1
143b1b3ab3
15251be372
hex17d8113d

400036157 has 8 divisors (see below), whose sum is σ = 405774336. Its totient is φ = 394338672.

The previous prime is 400036151. The next prime is 400036199. The reversal of 400036157 is 751630004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-400036157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400036151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908 + ... + 29970.

It is an arithmetic number, because the mean of its divisors is an integer number (50721792).

Almost surely, 2400036157 is an apocalyptic number.

It is an amenable number.

400036157 is a deficient number, since it is larger than the sum of its proper divisors (5738179).

400036157 is a wasteful number, since it uses less digits than its factorization.

400036157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 400036157 is about 20000.9039045739. The cubic root of 400036157 is about 736.8284996470.

The spelling of 400036157 in words is "four hundred million, thirty-six thousand, one hundred fifty-seven".

Divisors: 1 127 157 19939 20063 2548001 3149891 400036157