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152731764 = 22334730089
BaseRepresentation
bin10010001101010…
…00000001110100
3101122101120121000
421012220001310
5303044404024
623053323300
73533125053
oct1106500164
9348346530
10152731764
11792386a9
1243196530
1325847433
14163da39a
15d61dcc9
hex91a8074

152731764 has 48 divisors (see below), whose sum is σ = 404409600. Its totient is φ = 49825728.

The previous prime is 152731763. The next prime is 152731769. The reversal of 152731764 is 467137251.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152731763) 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, 9969 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (8425200).

Almost surely, 2152731764 is an apocalyptic number.

It is an amenable number.

152731764 is an abundant number, since it is smaller than the sum of its proper divisors (251677836).

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

152731764 is a wasteful number, since it uses less digits than its factorization.

152731764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30149 (or 30141 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 152731764 is about 12358.4693226953. The cubic root of 152731764 is about 534.5353802387.

The spelling of 152731764 in words is "one hundred fifty-two million, seven hundred thirty-one thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1269 1692 2538 5076 30089 60178 90267 120356 180534 270801 361068 541602 812403 1083204 1414183 1624806 2828366 3249612 4242549 5656732 8485098 12727647 16970196 25455294 38182941 50910588 76365882 152731764