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153015147 = 32171000099
BaseRepresentation
bin10010001111011…
…01001101101011
3101122220222022200
421013231031223
5303132441042
623103351243
73535415205
oct1107551553
9348828280
10153015147
11794115aa
12432b2523
132591640c
1416471775
15d677c4c
hex91ed36b

153015147 has 12 divisors (see below), whose sum is σ = 234023400. Its totient is φ = 96009408.

The previous prime is 153015139. The next prime is 153015167. The reversal of 153015147 is 741510351.

It is not a de Polignac number, because 153015147 - 23 = 153015139 is a prime.

It is a super-2 number, since 2×1530151472 = 46827270422863218, which contains 22 as substring.

153015147 is a modest number, since divided by 15147 gives 153 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 153015147.

It is not an unprimeable number, because it can be changed into a prime (153015167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499897 + ... + 500202.

It is an arithmetic number, because the mean of its divisors is an integer number (19501950).

Almost surely, 2153015147 is an apocalyptic number.

153015147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

153015147 is a deficient number, since it is larger than the sum of its proper divisors (81008253).

153015147 is a wasteful number, since it uses less digits than its factorization.

153015147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000122 (or 1000119 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 153015147 is about 12369.9291428852. The cubic root of 153015147 is about 534.8657735296.

Adding to 153015147 its reverse (741510351), we get a palindrome (894525498).

The spelling of 153015147 in words is "one hundred fifty-three million, fifteen thousand, one hundred forty-seven".

Divisors: 1 3 9 17 51 153 1000099 3000297 9000891 17001683 51005049 153015147