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135801764 = 22767191379
BaseRepresentation
bin10000001100000…
…10101110100100
3100110112102222222
420012002232210
5234231124024
621250411512
73236203340
oct1006025644
9313472888
10135801764
116a72496a
1239590b98
132219a497
1414070620
15bdc785e
hex8182ba4

135801764 has 48 divisors (see below), whose sum is σ = 277831680. Its totient is φ = 56881440.

The previous prime is 135801761. The next prime is 135801773. The reversal of 135801764 is 467108531.

It is not an unprimeable number, because it can be changed into a prime (135801761) 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, 358127 + ... + 358505.

It is an arithmetic number, because the mean of its divisors is an integer number (5788160).

Almost surely, 2135801764 is an apocalyptic number.

135801764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135801764 is an abundant number, since it is smaller than the sum of its proper divisors (142029916).

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

135801764 is a wasteful number, since it uses less digits than its factorization.

135801764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 135801764 is about 11653.4013918684. The cubic root of 135801764 is about 514.0063336035.

The spelling of 135801764 in words is "one hundred thirty-five million, eight hundred one thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 67 134 191 268 379 382 469 758 764 938 1337 1516 1876 2653 2674 5306 5348 10612 12797 25393 25594 50786 51188 72389 89579 101572 144778 177751 179158 289556 355502 358316 506723 711004 1013446 2026892 4850063 9700126 19400252 33950441 67900882 135801764