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253317120 = 2123571931
BaseRepresentation
bin11110001100101…
…01000000000000
3122122122211202120
433012111000000
51004322121440
641045244240
76164105610
oct1706250000
9578584676
10253317120
1111aa999a1
1270a03680
13406344b4
1425900a40
151738bdd0
hexf195000

253317120 has 416 divisors, whose sum is σ = 1006510080. Its totient is φ = 53084160.

The previous prime is 253317109. The next prime is 253317131. The reversal of 253317120 is 21713352.

It is an interprime number because it is at equal distance from previous prime (253317109) and next prime (253317131).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8171505 + ... + 8171535.

Almost surely, 2253317120 is an apocalyptic number.

253317120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253317120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503255040).

253317120 is an abundant number, since it is smaller than the sum of its proper divisors (753192960).

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

253317120 is a wasteful number, since it uses less digits than its factorization.

253317120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 253317120 is about 15915.9391805825. The cubic root of 253317120 is about 632.7344982900.

The spelling of 253317120 in words is "two hundred fifty-three million, three hundred seventeen thousand, one hundred twenty".