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152606420 = 2257630321
BaseRepresentation
bin10010001100010…
…01011011010100
3101122011012122122
421012021123110
5303031401140
623050515112
73532063451
oct1106113324
9348135578
10152606420
117916250a
1243135a98
1325802375
14163a6828
15d5e6ab5
hex91896d4

152606420 has 12 divisors (see below), whose sum is σ = 320473524. Its totient is φ = 61042560.

The previous prime is 152606417. The next prime is 152606429. The reversal of 152606420 is 24606251.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 89340304 = 7954^2 + 9452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152606420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152606429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815141 + ... + 3815180.

It is an arithmetic number, because the mean of its divisors is an integer number (26706127).

Almost surely, 2152606420 is an apocalyptic number.

152606420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152606420 is an abundant number, since it is smaller than the sum of its proper divisors (167867104).

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

152606420 is a wasteful number, since it uses less digits than its factorization.

152606420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630330 (or 7630328 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 152606420 is about 12353.3971036310. The cubic root of 152606420 is about 534.3891126079.

The spelling of 152606420 in words is "one hundred fifty-two million, six hundred six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 7630321 15260642 30521284 38151605 76303210 152606420