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150742520 = 2354387641
BaseRepresentation
bin10001111110000…
…10010111111000
3101111122111212022
420333002113320
5302042230040
622542534012
73510201365
oct1077022770
9344574768
10150742520
11780aa0a5
1242597308
13252cbb76
141603d46c
15d3796b5
hex8fc25f8

150742520 has 32 divisors (see below), whose sum is σ = 347062320. Its totient is φ = 58894080.

The previous prime is 150742517. The next prime is 150742567. The reversal of 150742520 is 25247051.

It is a self number, because there is not a number n which added to its sum of digits gives 150742520.

It is a congruent number.

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, 42101 + ... + 45540.

Almost surely, 2150742520 is an apocalyptic number.

150742520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150742520 is an abundant number, since it is smaller than the sum of its proper divisors (196319800).

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

150742520 is a wasteful number, since it uses less digits than its factorization.

150742520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87695 (or 87691 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 150742520 is about 12277.7245448821. The cubic root of 150742520 is about 532.2045588688.

Adding to 150742520 its reverse (25247051), we get a palindrome (175989571).

The spelling of 150742520 in words is "one hundred fifty million, seven hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 87641 175282 350564 438205 701128 876410 1752820 3505640 3768563 7537126 15074252 18842815 30148504 37685630 75371260 150742520