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135487902 = 23112777411
BaseRepresentation
bin10000001001101…
…10000110011110
3100102221111110110
420010312012132
5234141103102
621235550450
73233425314
oct1004660636
9312844413
10135487902
116a530080
123945b426
13220ba674
1413dcc0b4
15bd6486c
hex813619e

135487902 has 32 divisors (see below), whose sum is σ = 296717184. Its totient is φ = 40903200.

The previous prime is 135487889. The next prime is 135487907. The reversal of 135487902 is 209784531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135487907) 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, 14577 + ... + 21987.

It is an arithmetic number, because the mean of its divisors is an integer number (9272412).

Almost surely, 2135487902 is an apocalyptic number.

135487902 is an abundant number, since it is smaller than the sum of its proper divisors (161229282).

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

135487902 is a wasteful number, since it uses less digits than its factorization.

135487902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 135487902 is about 11639.9270616271. The cubic root of 135487902 is about 513.6100414982.

The spelling of 135487902 in words is "one hundred thirty-five million, four hundred eighty-seven thousand, nine hundred two".

Divisors: 1 2 3 6 11 22 33 66 277 554 831 1662 3047 6094 7411 9141 14822 18282 22233 44466 81521 163042 244563 489126 2052847 4105694 6158541 12317082 22581317 45162634 67743951 135487902