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158740872 = 2336614203
BaseRepresentation
bin10010111011000…
…11000110001000
3102001200212112120
421131203012020
5311114201442
623430211240
73635163243
oct1135430610
9361625476
10158740872
1181672404
12451b3b20
1326b6c614
141712225a
15de094ec
hex9763188

158740872 has 16 divisors (see below), whose sum is σ = 396852240. Its totient is φ = 52913616.

The previous prime is 158740859. The next prime is 158740891. The reversal of 158740872 is 278047851.

158740872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3307078 + ... + 3307125.

It is an arithmetic number, because the mean of its divisors is an integer number (24803265).

Almost surely, 2158740872 is an apocalyptic number.

158740872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158740872 is an abundant number, since it is smaller than the sum of its proper divisors (238111368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158740872 is a wasteful number, since it uses less digits than its factorization.

158740872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614212 (or 6614208 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 158740872 is about 12599.2409295163. The cubic root of 158740872 is about 541.4556882596.

The spelling of 158740872 in words is "one hundred fifty-eight million, seven hundred forty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 6614203 13228406 19842609 26456812 39685218 52913624 79370436 158740872