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13280898 = 2329127601
BaseRepresentation
bin110010101010…
…011010000010
3220222201222010
4302222122002
511344442043
61152353350
7220612551
oct62523202
926881863
1013280898
117551154
124545856
1329a0027
141a99d98
151275133
hexcaa682

13280898 has 32 divisors (see below), whose sum is σ = 27740160. Its totient is φ = 4233600.

The previous prime is 13280881. The next prime is 13280921. The reversal of 13280898 is 89808231.

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, 21798 + ... + 22398.

It is an arithmetic number, because the mean of its divisors is an integer number (866880).

Almost surely, 213280898 is an apocalyptic number.

13280898 is an abundant number, since it is smaller than the sum of its proper divisors (14459262).

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

13280898 is a wasteful number, since it uses less digits than its factorization.

13280898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 13280898 is about 3644.2966399567. The cubic root of 13280898 is about 236.8149671154.

The spelling of 13280898 in words is "thirteen million, two hundred eighty thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 29 58 87 127 174 254 381 601 762 1202 1803 3606 3683 7366 11049 17429 22098 34858 52287 76327 104574 152654 228981 457962 2213483 4426966 6640449 13280898