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401360253 = 3719112393
BaseRepresentation
bin10111111011000…
…100010101111101
31000222020012202120
4113323010111331
51310222012003
6103454313153
712642335340
oct2773042575
91028205676
10401360253
11196614998
12b24b87b9
13651c9798
143b43a457
1525381853
hex17ec457d

401360253 has 8 divisors (see below), whose sum is σ = 611596608. Its totient is φ = 229348704.

The previous prime is 401360221. The next prime is 401360263. The reversal of 401360253 is 352063104.

It is a happy number.

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

It is not a de Polignac number, because 401360253 - 25 = 401360221 is a prime.

It is a super-2 number, since 2×4013602532 = 322180105376448018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401360263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9556176 + ... + 9556217.

It is an arithmetic number, because the mean of its divisors is an integer number (76449576).

Almost surely, 2401360253 is an apocalyptic number.

It is an amenable number.

401360253 is a deficient number, since it is larger than the sum of its proper divisors (210236355).

401360253 is a wasteful number, since it uses less digits than its factorization.

401360253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112403.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 401360253 is about 20033.9774632997. The cubic root of 401360253 is about 737.6405572568.

The spelling of 401360253 in words is "four hundred one million, three hundred sixty thousand, two hundred fifty-three".

Divisors: 1 3 7 21 19112393 57337179 133786751 401360253