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13694880 = 2535103277
BaseRepresentation
bin110100001111…
…011110100000
3221202202211210
4310033132200
512001214010
61205310120
7224255523
oct64173640
927682753
1013694880
117804191
124705340
132ab65a4
141b66bba
151307b20
hexd0f7a0

13694880 has 96 divisors (see below), whose sum is σ = 43714944. Its totient is φ = 3603456.

The previous prime is 13694831. The next prime is 13694881. The reversal of 13694880 is 8849631.

13694880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13694881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49302 + ... + 49578.

It is an arithmetic number, because the mean of its divisors is an integer number (455364).

Almost surely, 213694880 is an apocalyptic number.

13694880 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 13694880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21857472).

13694880 is an abundant number, since it is smaller than the sum of its proper divisors (30020064).

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

13694880 is a wasteful number, since it uses less digits than its factorization.

13694880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 13694880 is about 3700.6594007014. The cubic root of 13694880 is about 239.2504392092.

The spelling of 13694880 in words is "thirteen million, six hundred ninety-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 103 120 160 206 240 277 309 412 480 515 554 618 824 831 1030 1108 1236 1385 1545 1648 1662 2060 2216 2472 2770 3090 3296 3324 4120 4155 4432 4944 5540 6180 6648 8240 8310 8864 9888 11080 12360 13296 16480 16620 22160 24720 26592 28531 33240 44320 49440 57062 66480 85593 114124 132960 142655 171186 228248 285310 342372 427965 456496 570620 684744 855930 912992 1141240 1369488 1711860 2282480 2738976 3423720 4564960 6847440 13694880