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13394970 = 234523719
BaseRepresentation
bin110011000110…
…010000011010
3221012112110000
4303012100122
511412114340
61155033430
7221566251
oct63062032
927175400
1013394970
117619926
12459b876
132a0cc24
141ac9798
151298d30
hexcc641a

13394970 has 80 divisors (see below), whose sum is σ = 37635840. Its totient is φ = 3411936.

The previous prime is 13394939. The next prime is 13395001. The reversal of 13394970 is 7949331.

It is an interprime number because it is at equal distance from previous prime (13394939) and next prime (13395001).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18271 + ... + 18989.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 213394970 is an apocalyptic number.

13394970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13394970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18817920).

13394970 is an abundant number, since it is smaller than the sum of its proper divisors (24240870).

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

13394970 is a wasteful number, since it uses less digits than its factorization.

13394970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 13394970 is about 3659.9139334143. The cubic root of 13394970 is about 237.4910504476.

The spelling of 13394970 in words is "thirteen million, three hundred ninety-four thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 81 90 115 135 138 162 207 230 270 345 405 414 621 690 719 810 1035 1242 1438 1863 2070 2157 3105 3595 3726 4314 6210 6471 7190 9315 10785 12942 16537 18630 19413 21570 32355 33074 38826 49611 58239 64710 82685 97065 99222 116478 148833 165370 194130 248055 291195 297666 446499 496110 582390 744165 892998 1339497 1488330 2232495 2678994 4464990 6697485 13394970