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153032540 = 2257651627
BaseRepresentation
bin10010001111100…
…01011101011100
3101122221212011212
421013301131130
5303134020130
623104003552
73535520003
oct1107613534
9348855155
10153032540
1179423681
12433005b8
13259212cb
1416477c3a
15d67ce95
hex91f175c

153032540 has 12 divisors (see below), whose sum is σ = 321368376. Its totient is φ = 61213008.

The previous prime is 153032531. The next prime is 153032557. The reversal of 153032540 is 45230351.

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, 3825794 + ... + 3825833.

It is an arithmetic number, because the mean of its divisors is an integer number (26780698).

Almost surely, 2153032540 is an apocalyptic number.

153032540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153032540 is an abundant number, since it is smaller than the sum of its proper divisors (168335836).

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

153032540 is a wasteful number, since it uses less digits than its factorization.

153032540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651636 (or 7651634 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 153032540 is about 12370.6321584630. The cubic root of 153032540 is about 534.8860385559.

Adding to 153032540 its reverse (45230351), we get a palindrome (198262891).

The spelling of 153032540 in words is "one hundred fifty-three million, thirty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 7651627 15303254 30606508 38258135 76516270 153032540