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253847412 = 2233713231123
BaseRepresentation
bin11110010000101…
…10011101110100
3122200122210012000
433020112131310
51004441104122
641104455300
76201444630
oct1710263564
9580583160
10253847412
11120321355
127101a530
134078b990
14259dbdc0
15174440ac
hexf216774

253847412 has 192 divisors, whose sum is σ = 845967360. Its totient is φ = 63980928.

The previous prime is 253847393. The next prime is 253847431. The reversal of 253847412 is 214748352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253847393) and next prime (253847431).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225483 + ... + 226605.

It is an arithmetic number, because the mean of its divisors is an integer number (4406080).

Almost surely, 2253847412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253847412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422983680).

253847412 is an abundant number, since it is smaller than the sum of its proper divisors (592119948).

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

253847412 is a wasteful number, since it uses less digits than its factorization.

253847412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1171 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 253847412 is about 15932.5896200210. The cubic root of 253847412 is about 633.1757109747.

The spelling of 253847412 in words is "two hundred fifty-three million, eight hundred forty-seven thousand, four hundred twelve".