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402153157 = 7431336057
BaseRepresentation
bin10111111110000…
…101111011000101
31001000201111102101
4113332011323011
51310422400112
6103523312101
712652150120
oct2776057305
91030644371
10402153157
1119700668a
12b281b631
1365416663
143b5a53b7
152548b757
hex17f85ec5

402153157 has 8 divisors (see below), whose sum is σ = 470292416. Its totient is φ = 336686112.

The previous prime is 402153151. The next prime is 402153161. The reversal of 402153157 is 751351204.

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 402153157 - 23 = 402153149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402153151) 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, 667728 + ... + 668329.

It is an arithmetic number, because the mean of its divisors is an integer number (58786552).

Almost surely, 2402153157 is an apocalyptic number.

It is an amenable number.

402153157 is a deficient number, since it is larger than the sum of its proper divisors (68139259).

402153157 is a wasteful number, since it uses less digits than its factorization.

402153157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336107.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 402153157 is about 20053.7566804826. The cubic root of 402153157 is about 738.1259843477.

The spelling of 402153157 in words is "four hundred two million, one hundred fifty-three thousand, one hundred fifty-seven".

Divisors: 1 7 43 301 1336057 9352399 57450451 402153157