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14722992 = 2433173197
BaseRepresentation
bin111000001010…
…011110110000
31000201000011000
4320022132300
512232113432
61243322000
7236100114
oct70123660
930630130
1014722992
118346669
124b20300
13308653b
141d53744
15145c57c
hexe0a7b0

14722992 has 80 divisors (see below), whose sum is σ = 42720480. Its totient is φ = 4854528.

The previous prime is 14722943. The next prime is 14722997. The reversal of 14722992 is 29922741.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14722997) 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, 74638 + ... + 74834.

It is an arithmetic number, because the mean of its divisors is an integer number (534006).

Almost surely, 214722992 is an apocalyptic number.

14722992 is a gapful number since it is divisible by the number (12) 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 14722992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21360240).

14722992 is an abundant number, since it is smaller than the sum of its proper divisors (27997488).

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

14722992 is a wasteful number, since it uses less digits than its factorization.

14722992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 375 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 14722992 is about 3837.0551207925. The cubic root of 14722992 is about 245.0936307408.

The spelling of 14722992 in words is "fourteen million, seven hundred twenty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 173 197 216 346 394 432 519 591 692 788 1038 1182 1384 1557 1576 1773 2076 2364 2768 3114 3152 3546 4152 4671 4728 5319 6228 7092 8304 9342 9456 10638 12456 14184 18684 21276 24912 28368 34081 37368 42552 68162 74736 85104 102243 136324 204486 272648 306729 408972 545296 613458 817944 920187 1226916 1635888 1840374 2453832 3680748 4907664 7361496 14722992