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253870024 = 2337857669
BaseRepresentation
bin11110010000110…
…11111111001000
3122200200221012111
433020123333020
51004442320044
641105152104
76201600562
oct1710337710
9580627174
10253870024
11120337341
127102b634
1340799065
1425a06332
151744ab34
hexf21bfc8

253870024 has 16 divisors (see below), whose sum is σ = 488871900. Its totient is φ = 123504192.

The previous prime is 253870013. The next prime is 253870051. The reversal of 253870024 is 420078352.

It can be written as a sum of positive squares in 2 ways, for example, as 222308100 + 31561924 = 14910^2 + 5618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428539 + ... + 429130.

Almost surely, 2253870024 is an apocalyptic number.

It is an amenable number.

253870024 is a deficient number, since it is larger than the sum of its proper divisors (235001876).

253870024 is a wasteful number, since it uses less digits than its factorization.

253870024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857712 (or 857708 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 253870024 is about 15933.2992189314. The cubic root of 253870024 is about 633.1945109091.

The spelling of 253870024 in words is "two hundred fifty-three million, eight hundred seventy thousand, twenty-four".

Divisors: 1 2 4 8 37 74 148 296 857669 1715338 3430676 6861352 31733753 63467506 126935012 253870024