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13940600 = 2352431621
BaseRepresentation
bin110101001011…
…011101111000
3222020020220112
4311023131320
512032044400
61214443452
7226331102
oct65133570
928206815
1013940600
117961863
124803588
132b7139b
141bcc572
151355835
hexd4b778

13940600 has 48 divisors (see below), whose sum is σ = 33186120. Its totient is φ = 5443200.

The previous prime is 13940587. The next prime is 13940617. The reversal of 13940600 is 604931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7790 + ... + 9410.

Almost surely, 213940600 is an apocalyptic number.

13940600 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 13940600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16593060).

13940600 is an abundant number, since it is smaller than the sum of its proper divisors (19245520).

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

13940600 is a wasteful number, since it uses less digits than its factorization.

13940600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13940600 is about 3733.7112903919. The cubic root of 13940600 is about 240.6728802230.

The spelling of 13940600 in words is "thirteen million, nine hundred forty thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 172 200 215 344 430 860 1075 1621 1720 2150 3242 4300 6484 8105 8600 12968 16210 32420 40525 64840 69703 81050 139406 162100 278812 324200 348515 557624 697030 1394060 1742575 2788120 3485150 6970300 13940600