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400232041 = 11316171271
BaseRepresentation
bin10111110110110…
…000111001101001
31000220002220010221
4113312300321221
51304424411131
6103414210041
712626626156
oct2766607151
91026086127
10400232041
11195a14290
12b2053921
1364bc30c1
143b22522d
152520c411
hex17db0e69

400232041 has 32 divisors (see below), whose sum is σ = 466255872. Its totient is φ = 340200000.

The previous prime is 400232009. The next prime is 400232047. The reversal of 400232041 is 140232004.

It is a cyclic number.

It is not a de Polignac number, because 400232041 - 25 = 400232009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400232047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1476736 + ... + 1477006.

It is an arithmetic number, because the mean of its divisors is an integer number (14570496).

Almost surely, 2400232041 is an apocalyptic number.

It is an amenable number.

400232041 is a deficient number, since it is larger than the sum of its proper divisors (66023831).

400232041 is a wasteful number, since it uses less digits than its factorization.

400232041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400232041 is about 20005.8001839467. The cubic root of 400232041 is about 736.9487465792.

Adding to 400232041 its reverse (140232004), we get a palindrome (540464045).

The spelling of 400232041 in words is "four hundred million, two hundred thirty-two thousand, forty-one".

Divisors: 1 11 31 61 71 271 341 671 781 1891 2201 2981 4331 8401 16531 19241 20801 24211 47641 92411 134261 181841 211651 512461 596471 1173701 1476871 5637071 6561181 12910711 36384731 400232041