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400425115 = 5241332303
BaseRepresentation
bin10111110111100…
…000000010011011
31000220110200222211
4113313200002123
51310002100430
6103422255551
712631362106
oct2767400233
91026420884
10400425115
11196036352
12b21275b7
1364c5cc4c
143b27573d
152524972a
hex17de009b

400425115 has 8 divisors (see below), whose sum is σ = 482505408. Its totient is φ = 319009920.

The previous prime is 400425083. The next prime is 400425131. The reversal of 400425115 is 511524004.

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

It is not a de Polignac number, because 400425115 - 25 = 400425083 is a prime.

It is a Duffinian 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, 164947 + ... + 167356.

It is an arithmetic number, because the mean of its divisors is an integer number (60313176).

Almost surely, 2400425115 is an apocalyptic number.

400425115 is a deficient number, since it is larger than the sum of its proper divisors (82080293).

400425115 is a wasteful number, since it uses less digits than its factorization.

400425115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332549.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 400425115 is about 20010.6250527064. The cubic root of 400425115 is about 737.0672301538.

Adding to 400425115 its reverse (511524004), we get a palindrome (911949119).

The spelling of 400425115 in words is "four hundred million, four hundred twenty-five thousand, one hundred fifteen".

Divisors: 1 5 241 1205 332303 1661515 80085023 400425115