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14903490 = 235770969
BaseRepresentation
bin111000110110…
…100011000010
31001001011202010
4320312203002
512303402430
61251233350
7240451260
oct70664302
931034663
1014903490
11845a238
124ba8856
13311a744
141d9d430
151495cb0
hexe368c2

14903490 has 32 divisors (see below), whose sum is σ = 40878720. Its totient is φ = 3406464.

The previous prime is 14903453. The next prime is 14903491. The reversal of 14903490 is 9430941.

It is a super-2 number, since 2×149034902 = 444228028360200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14903491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35275 + ... + 35694.

It is an arithmetic number, because the mean of its divisors is an integer number (1277460).

Almost surely, 214903490 is an apocalyptic number.

14903490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14903490 is an abundant number, since it is smaller than the sum of its proper divisors (25975230).

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

14903490 is a wasteful number, since it uses less digits than its factorization.

14903490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70986.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 14903490 is about 3860.5038531259. The cubic root of 14903490 is about 246.0911487203.

The spelling of 14903490 in words is "fourteen million, nine hundred three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 70969 141938 212907 354845 425814 496783 709690 993566 1064535 1490349 2129070 2483915 2980698 4967830 7451745 14903490