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252776992 = 25132329911
BaseRepresentation
bin11110001000100…
…01001000100000
3122121122101211211
433010101020200
51004202330432
641025515504
76156366106
oct1704211040
9577571754
10252776992
1111a760106
12707a2b94
13404a56b0
14257ddc76
15172d1d47
hexf111220

252776992 has 96 divisors (see below), whose sum is σ = 579156480. Its totient is φ = 107627520.

The previous prime is 252776987. The next prime is 252777023. The reversal of 252776992 is 299677252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277017 + ... + 277927.

It is an arithmetic number, because the mean of its divisors is an integer number (6032880).

Almost surely, 2252776992 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 252776992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289578240).

252776992 is an abundant number, since it is smaller than the sum of its proper divisors (326379488).

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

252776992 is a wasteful number, since it uses less digits than its factorization.

252776992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 978 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 252776992 is about 15898.9619786953. The cubic root of 252776992 is about 632.2844684248.

The spelling of 252776992 in words is "two hundred fifty-two million, seven hundred seventy-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 23 26 29 32 46 52 58 92 104 116 184 208 232 299 368 377 416 464 598 667 736 754 911 928 1196 1334 1508 1822 2392 2668 3016 3644 4784 5336 6032 7288 8671 9568 10672 11843 12064 14576 17342 20953 21344 23686 26419 29152 34684 41906 47372 52838 69368 83812 94744 105676 138736 167624 189488 211352 272389 277472 335248 343447 378976 422704 544778 607637 670496 686894 845408 1089556 1215274 1373788 2179112 2430548 2747576 4358224 4861096 5495152 7899281 8716448 9722192 10990304 15798562 19444384 31597124 63194248 126388496 252776992