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252442708 = 22721287973
BaseRepresentation
bin11110000101111…
…11100001010100
3122121000102021221
433002333201110
51004111131313
641014420124
76153504400
oct1702774124
9577012257
10252442708
1111a551a41
1270661644
13403b94ab
1425754100
1517267c8d
hexf0bf854

252442708 has 18 divisors (see below), whose sum is σ = 513901626. Its totient is φ = 108189648.

The previous prime is 252442681. The next prime is 252442727. The reversal of 252442708 is 807244252.

It can be written as a sum of positive squares in only one way, i.e., 236298384 + 16144324 = 15372^2 + 4018^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643791 + ... + 644182.

Almost surely, 2252442708 is an apocalyptic number.

252442708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252442708 is an abundant number, since it is smaller than the sum of its proper divisors (261458918).

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

252442708 is a wasteful number, since it uses less digits than its factorization.

252442708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287991 (or 1287982 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 252442708 is about 15888.4457389639. The cubic root of 252442708 is about 632.0056247163.

The spelling of 252442708 in words is "two hundred fifty-two million, four hundred forty-two thousand, seven hundred eight".

Divisors: 1 2 4 7 14 28 49 98 196 1287973 2575946 5151892 9015811 18031622 36063244 63110677 126221354 252442708