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14897428 = 2271340927
BaseRepresentation
bin111000110101…
…000100010100
31001000212102121
4320311010110
512303204203
61251145324
7240424510
oct70650424
931025377
1014897428
118455727
124ba5244
133117a60
141d9b140
1514940bd
hexe35114

14897428 has 24 divisors (see below), whose sum is σ = 32087552. Its totient is φ = 5893344.

The previous prime is 14897419. The next prime is 14897437. The reversal of 14897428 is 82479841.

It is an interprime number because it is at equal distance from previous prime (14897419) and next prime (14897437).

It is a super-2 number, since 2×148974282 = 443866722030368, which contains 22 as substring.

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, 20100 + ... + 20827.

Almost surely, 214897428 is an apocalyptic number.

It is an amenable number.

14897428 is an abundant number, since it is smaller than the sum of its proper divisors (17190124).

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

14897428 is a wasteful number, since it uses less digits than its factorization.

14897428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40951 (or 40949 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 14897428 is about 3859.7186425956. The cubic root of 14897428 is about 246.0577783072.

The spelling of 14897428 in words is "fourteen million, eight hundred ninety-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 40927 81854 163708 286489 532051 572978 1064102 1145956 2128204 3724357 7448714 14897428