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13702400 = 28522141
BaseRepresentation
bin110100010001…
…010100000000
3221210011011022
4310101110000
512001434100
61205405012
7224316455
oct64212400
927704138
1013702400
1178098a8
124709768
132ab9b3a
141b6982c
151309e85
hexd11500

13702400 has 54 divisors (see below), whose sum is σ = 33931422. Its totient is φ = 5478400.

The previous prime is 13702397. The next prime is 13702417. The reversal of 13702400 is 420731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3564544 + 10137856 = 1888^2 + 3184^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5330 + ... + 7470.

Almost surely, 213702400 is an apocalyptic number.

13702400 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 13702400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16965711).

13702400 is an abundant number, since it is smaller than the sum of its proper divisors (20229022).

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

13702400 is an equidigital number, since it uses as much as digits as its factorization.

13702400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 13702400 is about 3701.6752964030. The cubic root of 13702400 is about 239.2942228249.

The spelling of 13702400 in words is "thirteen million, seven hundred two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 2141 3200 4282 6400 8564 10705 17128 21410 34256 42820 53525 68512 85640 107050 137024 171280 214100 274048 342560 428200 548096 685120 856400 1370240 1712800 2740480 3425600 6851200 13702400