Search a number
-
+
152646026 = 213172411433
BaseRepresentation
bin10010001100100…
…11000110001010
3101122020012222112
421012103012022
5303034133101
623051422322
73532320101
oct1106230612
9348205875
10152646026
117918a245
12431549a2
13258173c0
14163b7038
15d6036bb
hex919318a

152646026 has 32 divisors (see below), whose sum is σ = 262353168. Its totient is φ = 65986560.

The previous prime is 152646023. The next prime is 152646029. The reversal of 152646026 is 620646251.

It is a Cunningham number, because it is equal to 123552+1.

It is an interprime number because it is at equal distance from previous prime (152646023) and next prime (152646029).

It can be written as a sum of positive squares in 8 ways, for example, as 114811225 + 37834801 = 10715^2 + 6151^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 152645983 and 152646001.

It is not an unprimeable number, because it can be changed into a prime (152646023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105806 + ... + 107238.

Almost surely, 2152646026 is an apocalyptic number.

152646026 is a deficient number, since it is larger than the sum of its proper divisors (109707142).

152646026 is a wasteful number, since it uses less digits than its factorization.

152646026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 152646026 is about 12355.0000404694. Note that the first 4 decimals coincide. The cubic root of 152646026 is about 534.4353386764.

The spelling of 152646026 in words is "one hundred fifty-two million, six hundred forty-six thousand, twenty-six".

Divisors: 1 2 13 17 26 34 221 241 442 482 1433 2866 3133 4097 6266 8194 18629 24361 37258 48722 53261 106522 316693 345353 633386 690706 4489589 5871001 8979178 11742002 76323013 152646026