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400524053 = 8326917939
BaseRepresentation
bin10111110111111…
…000001100010101
31000220122201201012
4113313320030111
51310013232203
6103424342005
712632253416
oct2767701425
91026581635
10400524053
111960a3716
12b2174905
1364c95ca7
143b29d80d
1525268bd8
hex17df8315

400524053 has 8 divisors (see below), whose sum is σ = 406879200. Its totient is φ = 394205488.

The previous prime is 400524041. The next prime is 400524067. The reversal of 400524053 is 350425004.

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

It is a cyclic number.

It is not a de Polignac number, because 400524053 - 210 = 400523029 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 (400524023) 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 7 ways as a sum of consecutive naturals, for example, 13358 + ... + 31296.

It is an arithmetic number, because the mean of its divisors is an integer number (50859900).

Almost surely, 2400524053 is an apocalyptic number.

It is an amenable number.

400524053 is a deficient number, since it is larger than the sum of its proper divisors (6355147).

400524053 is a wasteful number, since it uses less digits than its factorization.

400524053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 400524053 is about 20013.0970366907. The cubic root of 400524053 is about 737.1279306024.

Adding to 400524053 its reverse (350425004), we get a palindrome (750949057).

The spelling of 400524053 in words is "four hundred million, five hundred twenty-four thousand, fifty-three".

Divisors: 1 83 269 17939 22327 1488937 4825591 400524053