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253474032 = 24376183149
BaseRepresentation
bin11110001101110…
…11010011110000
3122122221211000010
433012323103300
51004342132112
641052454520
76165331230
oct1706732360
9578854003
10253474032
11120096879
1270a7a440
134068aa46
1425941cc0
15173bd63c
hexf1bb4f0

253474032 has 160 divisors (see below), whose sum is σ = 774950400. Its totient is φ = 69903360.

The previous prime is 253474027. The next prime is 253474049. The reversal of 253474032 is 230474352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1701094 + ... + 1701242.

It is an arithmetic number, because the mean of its divisors is an integer number (4843440).

Almost surely, 2253474032 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 253474032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387475200).

253474032 is an abundant number, since it is smaller than the sum of its proper divisors (521476368).

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

253474032 is a wasteful number, since it uses less digits than its factorization.

253474032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 253474032 is about 15920.8678155432. The cubic root of 253474032 is about 632.8651160482.

The spelling of 253474032 in words is "two hundred fifty-three million, four hundred seventy-four thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 61 83 84 112 122 149 166 168 183 244 249 298 332 336 366 427 447 488 498 581 596 664 732 854 894 976 996 1043 1162 1192 1281 1328 1464 1708 1743 1788 1992 2086 2324 2384 2562 2928 3129 3416 3486 3576 3984 4172 4648 5063 5124 6258 6832 6972 7152 8344 9089 9296 10126 10248 12367 12516 13944 15189 16688 18178 20252 20496 24734 25032 27267 27888 30378 35441 36356 37101 40504 49468 50064 54534 60756 63623 70882 72712 74202 81008 86569 98936 106323 109068 121512 127246 141764 145424 148404 173138 190869 197872 212646 218136 243024 254492 259707 283528 296808 346276 381738 425292 436272 508984 519414 567056 593616 692552 754387 763476 850584 1017968 1038828 1385104 1508774 1526952 1701168 2077656 2263161 3017548 3053904 4155312 4526322 5280709 6035096 9052644 10561418 12070192 15842127 18105288 21122836 31684254 36210576 42245672 63368508 84491344 126737016 253474032