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152484820 = 2257624241
BaseRepresentation
bin10010001011010…
…11101111010100
3101121221000211221
421011223233110
5303014003240
623044140124
73531046105
oct1105535724
9347830757
10152484820
117908a114
1243097644
132578bc07
14163743ac
15d5c0a4a
hex916bbd4

152484820 has 12 divisors (see below), whose sum is σ = 320218164. Its totient is φ = 60993920.

The previous prime is 152484793. The next prime is 152484821. The reversal of 152484820 is 28484251.

It can be written as a sum of positive squares in 2 ways, for example, as 86192656 + 66292164 = 9284^2 + 8142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152484821) 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, 3812101 + ... + 3812140.

It is an arithmetic number, because the mean of its divisors is an integer number (26684847).

Almost surely, 2152484820 is an apocalyptic number.

152484820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152484820 is an abundant number, since it is smaller than the sum of its proper divisors (167733344).

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

152484820 is a wasteful number, since it uses less digits than its factorization.

152484820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624250 (or 7624248 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 152484820 is about 12348.4743996981. The cubic root of 152484820 is about 534.2471374028.

The spelling of 152484820 in words is "one hundred fifty-two million, four hundred eighty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 7624241 15248482 30496964 38121205 76242410 152484820