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152669530 = 251336949
BaseRepresentation
bin10010001100110…
…00110101011010
3101122021102020001
421012120311122
5303040411110
623052123214
73532445446
oct1106306532
9348242201
10152669530
11791a5972
124316650a
1325825000
14163c1826
15d60a63a
hex9198d5a

152669530 has 32 divisors (see below), whose sum is σ = 297738000. Its totient is φ = 56362176.

The previous prime is 152669507. The next prime is 152669551. The reversal of 152669530 is 35966251.

It can be written as a sum of positive squares in 8 ways, for example, as 418609 + 152250921 = 647^2 + 12339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152669530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18496 + ... + 25444.

Almost surely, 2152669530 is an apocalyptic number.

152669530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152669530 is a deficient number, since it is larger than the sum of its proper divisors (145068470).

152669530 is an equidigital number, since it uses as much as digits as its factorization.

152669530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995 (or 6969 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 152669530 is about 12355.9511977023. The cubic root of 152669530 is about 534.4627675454.

The spelling of 152669530 in words is "one hundred fifty-two million, six hundred sixty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 2197 4394 6949 10985 13898 21970 34745 69490 90337 180674 451685 903370 1174381 2348762 5871905 11743810 15266953 30533906 76334765 152669530