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2420862157 = 76722722739
BaseRepresentation
bin1001000001001011…
…0110110011001101
320020201021112120101
42100102312303031
514424220042112
61040115251101
7113663663110
oct22022666315
96221245511
102420862157
11103257162a
125768a9a91
132c771161c
1418d730577
15e27e7757
hex904b6ccd

2420862157 has 16 divisors (see below), whose sum is σ = 2820487680. Its totient is φ = 2034960048.

The previous prime is 2420862151. The next prime is 2420862163. The reversal of 2420862157 is 7512680242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2420862151) and next prime (2420862163).

It is a cyclic number.

It is not a de Polignac number, because 2420862157 - 211 = 2420860109 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 (2420862151) 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, 95094 + ... + 117832.

It is an arithmetic number, because the mean of its divisors is an integer number (176280480).

Almost surely, 22420862157 is an apocalyptic number.

It is an amenable number.

2420862157 is a deficient number, since it is larger than the sum of its proper divisors (399625523).

2420862157 is a wasteful number, since it uses less digits than its factorization.

2420862157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23040.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2420862157 is about 49202.2576412912. The cubic root of 2420862157 is about 1342.7341066492.

The spelling of 2420862157 in words is "two billion, four hundred twenty million, eight hundred sixty-two thousand, one hundred fifty-seven".

Divisors: 1 7 67 227 469 1589 15209 22739 106463 159173 1523513 5161753 10664591 36132271 345837451 2420862157