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158993080 = 23529413343
BaseRepresentation
bin10010111101000…
…00101010111000
3102002011200111121
421132200222320
5311200234310
623435435024
73640263451
oct1136405270
9362150447
10158993080
1181824944
12452b5a74
1326c2a35c
141718a128
15de590da
hex97a0ab8

158993080 has 64 divisors (see below), whose sum is σ = 379209600. Its totient is φ = 59888640.

The previous prime is 158993053. The next prime is 158993099. The reversal of 158993080 is 80399851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45889 + ... + 49231.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2158993080 is an apocalyptic number.

158993080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158993080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189604800).

158993080 is an abundant number, since it is smaller than the sum of its proper divisors (220216520).

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

158993080 is a wasteful number, since it uses less digits than its factorization.

158993080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 158993080 is about 12609.2458140842. The cubic root of 158993080 is about 541.7422920314.

The spelling of 158993080 in words is "one hundred fifty-eight million, nine hundred ninety-three thousand, eighty".

Divisors: 1 2 4 5 8 10 20 29 40 41 58 82 116 145 164 205 232 290 328 410 580 820 1160 1189 1640 2378 3343 4756 5945 6686 9512 11890 13372 16715 23780 26744 33430 47560 66860 96947 133720 137063 193894 274126 387788 484735 548252 685315 775576 969470 1096504 1370630 1938940 2741260 3877880 3974827 5482520 7949654 15899308 19874135 31798616 39748270 79496540 158993080