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147638480 = 24511167771
BaseRepresentation
bin10001100110011…
…00100011010000
3101021210210220212
420303030203100
5300243412410
622352223252
73441622613
oct1063144320
9337723825
10147638480
1176379a80
124153ab28
1324783062
141587217a
15ce64b05
hex8ccc8d0

147638480 has 40 divisors (see below), whose sum is σ = 374467104. Its totient is φ = 53686400.

The previous prime is 147638471. The next prime is 147638501. The reversal of 147638480 is 84836741.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83006 + ... + 84765.

Almost surely, 2147638480 is an apocalyptic number.

147638480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147638480 is an abundant number, since it is smaller than the sum of its proper divisors (226828624).

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

147638480 is a wasteful number, since it uses less digits than its factorization.

147638480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167795 (or 167789 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 147638480 is about 12150.6575953732. The cubic root of 147638480 is about 528.5262010069.

The spelling of 147638480 in words is "one hundred forty-seven million, six hundred thirty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 167771 335542 671084 838855 1342168 1677710 1845481 2684336 3355420 3690962 6710840 7381924 9227405 13421680 14763848 18454810 29527696 36909620 73819240 147638480