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153742534 = 21123303839
BaseRepresentation
bin10010010100111…
…10110011000110
3101201021221002221
421022132303012
5303324230114
623131122554
73544534651
oct1112366306
9351257087
10153742534
1179869050
12435a345a
1325b0c51a
14165c0898
15d76d524
hex929ecc6

153742534 has 16 divisors (see below), whose sum is σ = 262517760. Its totient is φ = 66844360.

The previous prime is 153742531. The next prime is 153742591. The reversal of 153742534 is 435247351.

153742534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 153742534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153742531) 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, 151414 + ... + 152425.

It is an arithmetic number, because the mean of its divisors is an integer number (16407360).

Almost surely, 2153742534 is an apocalyptic number.

153742534 is a deficient number, since it is larger than the sum of its proper divisors (108775226).

153742534 is a wasteful number, since it uses less digits than its factorization.

153742534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303875.

The product of its digits is 50400, while the sum is 34.

The square root of 153742534 is about 12399.2957058052. The cubic root of 153742534 is about 535.7119632898.

Adding to 153742534 its reverse (435247351), we get a palindrome (588989885).

The spelling of 153742534 in words is "one hundred fifty-three million, seven hundred forty-two thousand, five hundred thirty-four".

Divisors: 1 2 11 22 23 46 253 506 303839 607678 3342229 6684458 6988297 13976594 76871267 153742534