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15483140 = 2252397347
BaseRepresentation
bin111011000100…
…000100000100
31002010121212122
4323010010010
512430430030
61311505112
7245414231
oct73040404
932117778
1015483140
118815792
125228198
13329152a
1420b0788
15155c8e5
hexec4104

15483140 has 48 divisors (see below), whose sum is σ = 34376832. Its totient is φ = 5846016.

The previous prime is 15483121. The next prime is 15483151. The reversal of 15483140 is 4138451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44447 + ... + 44793.

It is an arithmetic number, because the mean of its divisors is an integer number (716184).

Almost surely, 215483140 is an apocalyptic number.

15483140 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 15483140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17188416).

15483140 is an abundant number, since it is smaller than the sum of its proper divisors (18893692).

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

15483140 is a wasteful number, since it uses less digits than its factorization.

15483140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 15483140 is about 3934.8621322735. The cubic root of 15483140 is about 249.2411120204.

The spelling of 15483140 in words is "fifteen million, four hundred eighty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 97 115 194 230 347 388 460 485 694 970 1388 1735 1940 2231 3470 4462 6940 7981 8924 11155 15962 22310 31924 33659 39905 44620 67318 79810 134636 159620 168295 336590 673180 774157 1548314 3096628 3870785 7741570 15483140