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13994370 = 235513443
BaseRepresentation
bin110101011000…
…100110000010
3222022222200000
4311120212002
512040304440
61215540430
7226643625
oct65304602
928288600
1013994370
1179991a5
12482a716
132b8c9c0
141c03dbc
151366730
hexd58982

13994370 has 96 divisors (see below), whose sum is σ = 40727232. Its totient is φ = 3436992.

The previous prime is 13994369. The next prime is 13994371. The reversal of 13994370 is 7349931.

It is an interprime number because it is at equal distance from previous prime (13994369) and next prime (13994371).

It is not an unprimeable number, because it can be changed into a prime (13994371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31369 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (424242).

Almost surely, 213994370 is an apocalyptic number.

13994370 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 13994370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20363616).

13994370 is an abundant number, since it is smaller than the sum of its proper divisors (26732862).

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

13994370 is a wasteful number, since it uses less digits than its factorization.

13994370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 466 counting only the distinct ones).

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

The square root of 13994370 is about 3740.9049707257. The cubic root of 13994370 is about 240.9819147026.

The spelling of 13994370 in words is "thirteen million, nine hundred ninety-four thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 243 270 351 390 405 443 486 585 702 810 886 1053 1170 1215 1329 1755 2106 2215 2430 2658 3159 3510 3987 4430 5265 5759 6318 6645 7974 10530 11518 11961 13290 15795 17277 19935 23922 28795 31590 34554 35883 39870 51831 57590 59805 71766 86385 103662 107649 119610 155493 172770 179415 215298 259155 310986 358830 466479 518310 538245 777465 932958 1076490 1399437 1554930 2332395 2798874 4664790 6997185 13994370