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135022872 = 23310752579
BaseRepresentation
bin10000000110001…
…00100100011000
3100102001212120010
420003010210120
5234031212442
621222001520
73226450455
oct1003044430
9312055503
10135022872
116a242756
12392762a0
1321c86aba
1413d0a82c
15bcc1b9c
hex80c4918

135022872 has 32 divisors (see below), whose sum is σ = 340718400. Its totient is φ = 44586144.

The previous prime is 135022871. The next prime is 135022883. The reversal of 135022872 is 278220531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135022871) 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, 23722 + ... + 28857.

It is an arithmetic number, because the mean of its divisors is an integer number (10647450).

Almost surely, 2135022872 is an apocalyptic number.

135022872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135022872 is an abundant number, since it is smaller than the sum of its proper divisors (205695528).

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

135022872 is a wasteful number, since it uses less digits than its factorization.

135022872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52695 (or 52691 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 135022872 is about 11619.9342511049. The cubic root of 135022872 is about 513.0217531595.

The spelling of 135022872 in words is "one hundred thirty-five million, twenty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 107 214 321 428 642 856 1284 2568 52579 105158 157737 210316 315474 420632 630948 1261896 5625953 11251906 16877859 22503812 33755718 45007624 67511436 135022872