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135230372 = 22191779347
BaseRepresentation
bin10000000111101…
…11001110100100
3100102110102012022
420003313032210
5234104332442
621230242312
73231303434
oct1003671644
9312412168
10135230372
116a374642
1239356398
132202a394
1413d622c4
15bd133d2
hex80f73a4

135230372 has 12 divisors (see below), whose sum is σ = 249108720. Its totient is φ = 64056456.

The previous prime is 135230369. The next prime is 135230387. The reversal of 135230372 is 273032531.

It is a super-2 number, since 2×1352303722 = 36574507022516768, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 889598 + ... + 889749.

It is an arithmetic number, because the mean of its divisors is an integer number (20759060).

Almost surely, 2135230372 is an apocalyptic number.

It is an amenable number.

135230372 is a deficient number, since it is larger than the sum of its proper divisors (113878348).

135230372 is a wasteful number, since it uses less digits than its factorization.

135230372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779370 (or 1779368 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 135230372 is about 11628.8594453626. The cubic root of 135230372 is about 513.2844186071.

The spelling of 135230372 in words is "one hundred thirty-five million, two hundred thirty thousand, three hundred seventy-two".

Divisors: 1 2 4 19 38 76 1779347 3558694 7117388 33807593 67615186 135230372