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154545132 = 22377125913
BaseRepresentation
bin10010011011000…
…10101111101100
3101202210201001210
421031202233230
5304030421012
623200234420
73554416620
oct1115425754
9352721053
10154545132
117a267055
124390ba10
1326030931
141674d180
15d87b23c
hex9362bec

154545132 has 48 divisors (see below), whose sum is σ = 417940992. Its totient is φ = 43532160.

The previous prime is 154545109. The next prime is 154545133. The reversal of 154545132 is 231545451.

It is a self number, because there is not a number n which added to its sum of digits gives 154545132.

It is not an unprimeable number, because it can be changed into a prime (154545133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6993 + ... + 18920.

It is an arithmetic number, because the mean of its divisors is an integer number (8707104).

Almost surely, 2154545132 is an apocalyptic number.

154545132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154545132 is an abundant number, since it is smaller than the sum of its proper divisors (263395860).

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

154545132 is a wasteful number, since it uses less digits than its factorization.

154545132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25998 (or 25996 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 154545132 is about 12431.6182373816. The cubic root of 154545132 is about 536.6425566028.

The spelling of 154545132 in words is "one hundred fifty-four million, five hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1988 2982 5964 25913 51826 77739 103652 155478 181391 310956 362782 544173 725564 1088346 1839823 2176692 3679646 5519469 7359292 11038938 12878761 22077876 25757522 38636283 51515044 77272566 154545132