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253964207 = 7217304879
BaseRepresentation
bin11110010001100…
…10111110101111
3122200212201101202
433020302332233
51010003323312
641111200115
76202442300
oct1710627657
9580781352
10253964207
111203a1082
127107603b
13407ccba3
1425a2c7a7
15174689c2
hexf232faf

253964207 has 12 divisors (see below), whose sum is σ = 312806880. Its totient is φ = 204878016.

The previous prime is 253964201. The next prime is 253964213. The reversal of 253964207 is 702469352.

It is an interprime number because it is at equal distance from previous prime (253964201) and next prime (253964213).

It is not a de Polignac number, because 253964207 - 28 = 253963951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253964201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151607 + ... + 153272.

It is an arithmetic number, because the mean of its divisors is an integer number (26067240).

Almost surely, 2253964207 is an apocalyptic number.

253964207 is a deficient number, since it is larger than the sum of its proper divisors (58842673).

253964207 is a wasteful number, since it uses less digits than its factorization.

253964207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304910 (or 304903 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 253964207 is about 15936.2544846648. The cubic root of 253964207 is about 633.2728039721.

The spelling of 253964207 in words is "two hundred fifty-three million, nine hundred sixty-four thousand, two hundred seven".

Divisors: 1 7 17 49 119 833 304879 2134153 5182943 14939071 36280601 253964207