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135853388 = 22117143487
BaseRepresentation
bin10000001100011…
…11010101001100
3100110122001210222
420012033111030
5234234302023
621251450512
73236510006
oct1006172514
9313561728
10135853388
116a75a730
12395b6a38
13221b7b28
1414085376
15bdd7cc8
hex818f54c

135853388 has 24 divisors (see below), whose sum is σ = 263015424. Its totient is φ = 60880400.

The previous prime is 135853369. The next prime is 135853391. The reversal of 135853388 is 883358531.

135853388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1358533882 = 36912286062157088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18620 + ... + 24867.

It is an arithmetic number, because the mean of its divisors is an integer number (10958976).

Almost surely, 2135853388 is an apocalyptic number.

It is an amenable number.

135853388 is a deficient number, since it is larger than the sum of its proper divisors (127162036).

135853388 is a wasteful number, since it uses less digits than its factorization.

135853388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43573 (or 43571 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 135853388 is about 11655.6161570292. The cubic root of 135853388 is about 514.0714572085.

The spelling of 135853388 in words is "one hundred thirty-five million, eight hundred fifty-three thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 71 142 284 781 1562 3124 43487 86974 173948 478357 956714 1913428 3087577 6175154 12350308 33963347 67926694 135853388