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401259423 = 31911636053
BaseRepresentation
bin10111111010101…
…011101110011111
31000222001002110010
4113322223232133
51310210300143
6103452214303
712641435355
oct2772535637
91028032403
10401259423
11196556164
12b246a393
1365192916
143b4117d5
1525361a33
hex17eabb9f

401259423 has 16 divisors (see below), whose sum is σ = 563748480. Its totient is φ = 253167264.

The previous prime is 401259409. The next prime is 401259431. The reversal of 401259423 is 324952104.

It is not a de Polignac number, because 401259423 - 213 = 401251231 is a prime.

It is a super-2 number, since 2×4012594232 = 322018249092585858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401259473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63265 + ... + 69317.

It is an arithmetic number, because the mean of its divisors is an integer number (35234280).

Almost surely, 2401259423 is an apocalyptic number.

401259423 is a deficient number, since it is larger than the sum of its proper divisors (162489057).

401259423 is a wasteful number, since it uses less digits than its factorization.

401259423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 401259423 is about 20031.4608304038. The cubic root of 401259423 is about 737.5787818933.

The spelling of 401259423 in words is "four hundred one million, two hundred fifty-nine thousand, four hundred twenty-three".

Divisors: 1 3 19 57 1163 3489 6053 18159 22097 66291 115007 345021 7039639 21118917 133753141 401259423