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147472764 = 22322435479
BaseRepresentation
bin10001100101001…
…00000101111100
3101021111101121020
420302210011330
5300223112024
622344504140
73440332515
oct1062440574
9337441536
10147472764
117627651a
124147b050
13247257ba
141582ba0c
15ce30979
hex8ca417c

147472764 has 24 divisors (see below), whose sum is σ = 344319360. Its totient is φ = 49126704.

The previous prime is 147472763. The next prime is 147472771. The reversal of 147472764 is 467274741.

It is a happy number.

It is a super-2 number, since 2×1474727642 = 43496432243599392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147472763) 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, 24177 + ... + 29655.

It is an arithmetic number, because the mean of its divisors is an integer number (14346640).

Almost surely, 2147472764 is an apocalyptic number.

It is an amenable number.

147472764 is an abundant number, since it is smaller than the sum of its proper divisors (196846596).

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

147472764 is a wasteful number, since it uses less digits than its factorization.

147472764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729 (or 7727 counting only the distinct ones).

The product of its digits is 263424, while the sum is 42.

The square root of 147472764 is about 12143.8364613494. The cubic root of 147472764 is about 528.3283798647.

The spelling of 147472764 in words is "one hundred forty-seven million, four hundred seventy-two thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 2243 4486 5479 6729 8972 10958 13458 16437 21916 26916 32874 65748 12289397 24578794 36868191 49157588 73736382 147472764