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147868564 = 221923292917
BaseRepresentation
bin10001101000001…
…00101110010100
3101022020111112111
420310010232110
5300323243224
622401200404
73443601454
oct1064045624
9338214474
10147868564
1176516928
1241630104
13248339bc
14158d1d64
15ceacd94
hex8d04b94

147868564 has 48 divisors (see below), whose sum is σ = 294134400. Its totient is φ = 64665216.

The previous prime is 147868561. The next prime is 147868579. The reversal of 147868564 is 465868741.

It is a super-2 number, since 2×1478685642 = 43730224438844192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147868561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49234 + ... + 52150.

It is an arithmetic number, because the mean of its divisors is an integer number (6127800).

Almost surely, 2147868564 is an apocalyptic number.

It is an amenable number.

147868564 is a deficient number, since it is larger than the sum of its proper divisors (146265836).

147868564 is a wasteful number, since it uses less digits than its factorization.

147868564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2990 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 147868564 is about 12160.1218743893. The cubic root of 147868564 is about 528.8006152516.

The spelling of 147868564 in words is "one hundred forty-seven million, eight hundred sixty-eight thousand, five hundred sixty-four".

Divisors: 1 2 4 19 23 29 38 46 58 76 92 116 437 551 667 874 1102 1334 1748 2204 2668 2917 5834 11668 12673 25346 50692 55423 67091 84593 110846 134182 169186 221692 268364 338372 1274729 1607267 1945639 2549458 3214534 3891278 5098916 6429068 7782556 36967141 73934282 147868564