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14912440 = 235735107
BaseRepresentation
bin111000111000…
…101110111000
31001001122000121
4320320232320
512304144230
61251343024
7240516334
oct70705670
931048017
1014912440
118465a34
124bb1a74
13312183a
141da27c4
15149877a
hexe38bb8

14912440 has 32 divisors (see below), whose sum is σ = 34019280. Its totient is φ = 5882112.

The previous prime is 14912437. The next prime is 14912449. The reversal of 14912440 is 4421941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14912449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367 + ... + 5473.

Almost surely, 214912440 is an apocalyptic number.

14912440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14912440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17009640).

14912440 is an abundant number, since it is smaller than the sum of its proper divisors (19106840).

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

14912440 is a wasteful number, since it uses less digits than its factorization.

14912440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 14912440 is about 3861.6628542637. The cubic root of 14912440 is about 246.1404006077.

The spelling of 14912440 in words is "fourteen million, nine hundred twelve thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 73 146 292 365 584 730 1460 2920 5107 10214 20428 25535 40856 51070 102140 204280 372811 745622 1491244 1864055 2982488 3728110 7456220 14912440