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401703897 = 37171125221
BaseRepresentation
bin10111111100011…
…000001111011001
31000222212200011010
4113330120033121
51310314011042
6103505524133
712645266250
oct2774301731
91028780133
10401703897
1119682a0a1
12b2643649
13652ba01a
143b4c9797
15253ed59c
hex17f183d9

401703897 has 16 divisors (see below), whose sum is σ = 648127872. Its totient is φ = 216042240.

The previous prime is 401703881. The next prime is 401703923. The reversal of 401703897 is 798307104.

It is not a de Polignac number, because 401703897 - 24 = 401703881 is a prime.

It is a super-2 number, since 2×4017038972 = 322732041729973218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401703817) 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 15 ways as a sum of consecutive naturals, for example, 562254 + ... + 562967.

It is an arithmetic number, because the mean of its divisors is an integer number (40507992).

Almost surely, 2401703897 is an apocalyptic number.

It is an amenable number.

401703897 is a deficient number, since it is larger than the sum of its proper divisors (246423975).

401703897 is a wasteful number, since it uses less digits than its factorization.

401703897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125248.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 401703897 is about 20042.5521578466. The cubic root of 401703897 is about 737.8510194201.

The spelling of 401703897 in words is "four hundred one million, seven hundred three thousand, eight hundred ninety-seven".

Divisors: 1 3 7 17 21 51 119 357 1125221 3375663 7876547 19128757 23629641 57386271 133901299 401703897