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158974036 = 221323313121
BaseRepresentation
bin10010111100111…
…00000001010100
3102002010201101021
421132130001110
5311144132121
623435210524
73640154104
oct1136340124
9362121337
10158974036
1181811601
12452a6a44
1326c217a0
1417183204
15de53641
hex979c054

158974036 has 24 divisors (see below), whose sum is σ = 300913704. Its totient is φ = 73052160.

The previous prime is 158974033. The next prime is 158974043. The reversal of 158974036 is 630479851.

It can be written as a sum of positive squares in 4 ways, for example, as 4120900 + 154853136 = 2030^2 + 12444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158973983 and 158974001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158974033) 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, 5556 + ... + 18676.

It is an arithmetic number, because the mean of its divisors is an integer number (12538071).

Almost surely, 2158974036 is an apocalyptic number.

It is an amenable number.

158974036 is a deficient number, since it is larger than the sum of its proper divisors (141939668).

158974036 is a wasteful number, since it uses less digits than its factorization.

158974036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13371 (or 13369 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 158974036 is about 12608.4906313167. The cubic root of 158974036 is about 541.7206614209.

It can be divided in two parts, 1589 and 74036, that added together give a square (75625 = 2752).

The spelling of 158974036 in words is "one hundred fifty-eight million, nine hundred seventy-four thousand, thirty-six".

Divisors: 1 2 4 13 26 52 233 466 932 3029 6058 12116 13121 26242 52484 170573 341146 682292 3057193 6114386 12228772 39743509 79487018 158974036