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253435272 = 233673972
BaseRepresentation
bin11110001101100…
…01110110001000
3122122212211211120
433012301312020
51004334412042
641051555240
76165110226
oct1706616610
9578784746
10253435272
1112006a742
1270a5bb20
13406761cc
1425931b16
15173b1dec
hexf1b1d88

253435272 has 48 divisors (see below), whose sum is σ = 644668560. Its totient is φ = 83007936.

The previous prime is 253435141. The next prime is 253435289. The reversal of 253435272 is 272534352.

253435272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638178 + ... + 638574.

It is an arithmetic number, because the mean of its divisors is an integer number (13430595).

Almost surely, 2253435272 is an apocalyptic number.

It is an amenable number.

253435272 is an abundant number, since it is smaller than the sum of its proper divisors (391233288).

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

253435272 is an equidigital number, since it uses as much as digits as its factorization.

253435272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 469 counting only the distinct ones).

The product of its digits is 50400, while the sum is 33.

The square root of 253435272 is about 15919.6504986762. The cubic root of 253435272 is about 632.8328561987.

The spelling of 253435272 in words is "two hundred fifty-three million, four hundred thirty-five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 67 134 201 268 397 402 536 794 804 1191 1588 1608 2382 3176 4764 9528 26599 53198 79797 106396 157609 159594 212792 315218 319188 472827 630436 638376 945654 1260872 1891308 3782616 10559803 21119606 31679409 42239212 63358818 84478424 126717636 253435272