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152740132 = 2238185033
BaseRepresentation
bin10010001101010…
…10000100100100
3101122102000001221
421012222010210
5303100141012
623053430124
73533161336
oct1106520444
9348360057
10152740132
1179243a16
124319b344
132584b19c
14163dd456
15d621507
hex91aa124

152740132 has 6 divisors (see below), whose sum is σ = 267295238. Its totient is φ = 76370064.

The previous prime is 152740111. The next prime is 152740139. The reversal of 152740132 is 231047251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 151142436 + 1597696 = 12294^2 + 1264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152740097 and 152740106.

It is not an unprimeable number, because it can be changed into a prime (152740139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19092513 + ... + 19092520.

Almost surely, 2152740132 is an apocalyptic number.

It is an amenable number.

152740132 is a deficient number, since it is larger than the sum of its proper divisors (114555106).

152740132 is a wasteful number, since it uses less digits than its factorization.

152740132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38185037 (or 38185035 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 152740132 is about 12358.8078713119. The cubic root of 152740132 is about 534.5451422561.

Adding to 152740132 its reverse (231047251), we get a palindrome (383787383).

The spelling of 152740132 in words is "one hundred fifty-two million, seven hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 38185033 76370066 152740132