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404052141 = 3177922591
BaseRepresentation
bin11000000101010…
…101100010101101
31001011021222100010
4120011111202231
51311414132031
6104032123433
713004246403
oct3005254255
91034258303
10404052141
11198093399
12b3396579
136592cb0c
143b93b473
1525714246
hex181558ad

404052141 has 8 divisors (see below), whose sum is σ = 570426624. Its totient is φ = 253522880.

The previous prime is 404052137. The next prime is 404052161. The reversal of 404052141 is 141250404.

It is a happy number.

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 404052141 - 22 = 404052137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404052161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3961245 + ... + 3961346.

It is an arithmetic number, because the mean of its divisors is an integer number (71303328).

Almost surely, 2404052141 is an apocalyptic number.

It is an amenable number.

404052141 is a deficient number, since it is larger than the sum of its proper divisors (166374483).

404052141 is a wasteful number, since it uses less digits than its factorization.

404052141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922611.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 404052141 is about 20101.0482562477. The cubic root of 404052141 is about 739.2859809816.

The spelling of 404052141 in words is "four hundred four million, fifty-two thousand, one hundred forty-one".

Divisors: 1 3 17 51 7922591 23767773 134684047 404052141