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13995630 = 23251167211
BaseRepresentation
bin110101011000…
…111001101110
3222100001101200
4311120321232
512040330010
61215550330
7226650405
oct65307156
928301350
1013995630
11799a140
12482b3a6
132b9044c
141c0463c
151366cc0
hexd58e6e

13995630 has 96 divisors (see below), whose sum is σ = 40480128. Its totient is φ = 3326400.

The previous prime is 13995629. The next prime is 13995643. The reversal of 13995630 is 3659931.

13995630 is a `hidden beast` number, since 1 + 3 + 99 + 563 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66225 + ... + 66435.

It is an arithmetic number, because the mean of its divisors is an integer number (421668).

Almost surely, 213995630 is an apocalyptic number.

13995630 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 13995630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20240064).

13995630 is an abundant number, since it is smaller than the sum of its proper divisors (26484498).

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

13995630 is a wasteful number, since it uses less digits than its factorization.

13995630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 13995630 is about 3741.0733753831. The cubic root of 13995630 is about 240.9891468515.

The spelling of 13995630 in words is "thirteen million, nine hundred ninety-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 67 90 99 110 134 165 198 201 211 330 335 402 422 495 603 633 670 737 990 1005 1055 1206 1266 1474 1899 2010 2110 2211 2321 3015 3165 3685 3798 4422 4642 6030 6330 6633 6963 7370 9495 11055 11605 13266 13926 14137 18990 20889 22110 23210 28274 33165 34815 41778 42411 66330 69630 70685 84822 104445 127233 141370 155507 208890 212055 254466 311014 424110 466521 636165 777535 933042 1272330 1399563 1555070 2332605 2799126 4665210 6997815 13995630