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152431040 = 265476347
BaseRepresentation
bin10010001010111…
…10100111000000
3101121211022002002
421011132213000
5303010243130
623043043132
73530433236
oct1105364700
9347738062
10152431040
1179052773
12430704a8
13257705a8
141635c956
15d5aeb45
hex915e9c0

152431040 has 28 divisors (see below), whose sum is σ = 362977176. Its totient is φ = 60972288.

The previous prime is 152431003. The next prime is 152431067. The reversal of 152431040 is 40134251.

152431040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237854 + ... + 238493.

Almost surely, 2152431040 is an apocalyptic number.

152431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152431040 is an abundant number, since it is smaller than the sum of its proper divisors (210546136).

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

152431040 is an equidigital number, since it uses as much as digits as its factorization.

152431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476364 (or 476354 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 152431040 is about 12346.2966107250. The cubic root of 152431040 is about 534.1843219927.

Adding to 152431040 its reverse (40134251), we get a palindrome (192565291).

The spelling of 152431040 in words is "one hundred fifty-two million, four hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 476347 952694 1905388 2381735 3810776 4763470 7621552 9526940 15243104 19053880 30486208 38107760 76215520 152431040