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260878480 = 2455715711
BaseRepresentation
bin11111000110010…
…11000010010000
3200011212222222221
433203023002100
51013241102410
641515310424
76315300442
oct1743130220
9604788887
10260878480
11124293955
127344b414
1342081085
142690c492
1517d824da
hexf8cb090

260878480 has 40 divisors (see below), whose sum is σ = 607711104. Its totient is φ = 104150400.

The previous prime is 260878477. The next prime is 260878483. The reversal of 260878480 is 84878062.

It is an interprime number because it is at equal distance from previous prime (260878477) and next prime (260878483).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2608784802 = 136115162654220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260878483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42825 + ... + 48535.

Almost surely, 2260878480 is an apocalyptic number.

260878480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260878480 is an abundant number, since it is smaller than the sum of its proper divisors (346832624).

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

260878480 is a wasteful number, since it uses less digits than its factorization.

260878480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 260878480 is about 16151.7330339503. The cubic root of 260878480 is about 638.9684554493.

The spelling of 260878480 in words is "two hundred sixty million, eight hundred seventy-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 571 1142 2284 2855 4568 5710 5711 9136 11420 11422 22840 22844 28555 45680 45688 57110 91376 114220 228440 456880 3260981 6521962 13043924 16304905 26087848 32609810 52175696 65219620 130439240 260878480