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253972244 = 22137463453
BaseRepresentation
bin11110010001101…
…00111100010100
3122200220010102102
433020310330110
51010004102434
641111301232
76202504601
oct1710647424
9580803372
10253972244
111203a7119
127107a818
1340803746
1425a316a8
151746b07e
hexf234f14

253972244 has 12 divisors (see below), whose sum is σ = 447696564. Its totient is φ = 126058944.

The previous prime is 253972223. The next prime is 253972249. The reversal of 253972244 is 442279352.

It is a happy number.

253972244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 190164100 = 7988^2 + 13790^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 253972198 and 253972207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253972249) 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, 231179 + ... + 232274.

It is an arithmetic number, because the mean of its divisors is an integer number (37308047).

Almost surely, 2253972244 is an apocalyptic number.

It is an amenable number.

253972244 is a deficient number, since it is larger than the sum of its proper divisors (193724320).

253972244 is a wasteful number, since it uses less digits than its factorization.

253972244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463594 (or 463592 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 253972244 is about 15936.5066435527. The cubic root of 253972244 is about 633.2794841258.

The spelling of 253972244 in words is "two hundred fifty-three million, nine hundred seventy-two thousand, two hundred forty-four".

Divisors: 1 2 4 137 274 548 463453 926906 1853812 63493061 126986122 253972244