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14681490 = 2351943599
BaseRepresentation
bin111000000000…
…010110010010
31000121220012220
4320000112102
512224301430
61242401510
7235535115
oct70002622
930556186
1014681490
11831846a
124b00296
133070695
141d4257c
151450110
hexe00592

14681490 has 64 divisors (see below), whose sum is σ = 38016000. Its totient is φ = 3616704.

The previous prime is 14681483. The next prime is 14681503. The reversal of 14681490 is 9418641.

It is a super-2 number, since 2×146814902 = 431092297240200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24211 + ... + 24809.

It is an arithmetic number, because the mean of its divisors is an integer number (594000).

Almost surely, 214681490 is an apocalyptic number.

14681490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14681490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19008000).

14681490 is an abundant number, since it is smaller than the sum of its proper divisors (23334510).

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

14681490 is a wasteful number, since it uses less digits than its factorization.

14681490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 14681490 is about 3831.6432506172. The cubic root of 14681490 is about 244.8631194302.

The spelling of 14681490 in words is "fourteen million, six hundred eighty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 43 57 86 95 114 129 190 215 258 285 430 570 599 645 817 1198 1290 1634 1797 2451 2995 3594 4085 4902 5990 8170 8985 11381 12255 17970 22762 24510 25757 34143 51514 56905 68286 77271 113810 128785 154542 170715 257570 341430 386355 489383 772710 978766 1468149 2446915 2936298 4893830 7340745 14681490