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260216160 = 2535542117
BaseRepresentation
bin11111000001010…
…01010101100000
3200010122100110120
433200221111200
51013103404120
641453200240
76306541461
oct1740512540
9603570416
10260216160
11123981286
1273190080
1341bab779
14267b8d68
1517ca1140
hexf829560

260216160 has 48 divisors (see below), whose sum is σ = 819682416. Its totient is φ = 69390848.

The previous prime is 260216147. The next prime is 260216171. The reversal of 260216160 is 61612062.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 260216160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270579 + ... + 271538.

It is an arithmetic number, because the mean of its divisors is an integer number (17076717).

Almost surely, 2260216160 is an apocalyptic number.

260216160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260216160 is an abundant number, since it is smaller than the sum of its proper divisors (559466256).

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

260216160 is a wasteful number, since it uses less digits than its factorization.

260216160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542135 (or 542127 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 260216160 is about 16131.2169410742. The cubic root of 260216160 is about 638.4272580870.

The spelling of 260216160 in words is "two hundred sixty million, two hundred sixteen thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 542117 1084234 1626351 2168468 2710585 3252702 4336936 5421170 6505404 8131755 8673872 10842340 13010808 16263510 17347744 21684680 26021616 32527020 43369360 52043232 65054040 86738720 130108080 260216160