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268553080 = 23517394931
BaseRepresentation
bin10000000000011…
…100101101111000
3200201022220120101
4100000130231320
51022222144310
642352005144
76440443405
oct2000345570
9621286511
10268553080
111286559a4
1275b307b4
134383a363
14279492ac
151889b43a
hex1001cb78

268553080 has 32 divisors (see below), whose sum is σ = 639789840. Its totient is φ = 101102080.

The previous prime is 268553069. The next prime is 268553099. The reversal of 268553080 is 80355862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196786 + ... + 198145.

Almost surely, 2268553080 is an apocalyptic number.

268553080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268553080 is an abundant number, since it is smaller than the sum of its proper divisors (371236760).

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

268553080 is a wasteful number, since it uses less digits than its factorization.

268553080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394959 (or 394955 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 268553080 is about 16387.5892064696. The cubic root of 268553080 is about 645.1737848731.

The spelling of 268553080 in words is "two hundred sixty-eight million, five hundred fifty-three thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 394931 789862 1579724 1974655 3159448 3949310 6713827 7898620 13427654 15797240 26855308 33569135 53710616 67138270 134276540 268553080