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13850730 = 2335431193
BaseRepresentation
bin110100110101…
…100001101010
3222001200122000
4310311201222
512021210410
61212511430
7225505065
oct64654152
928050560
1013850730
117900293
12477b576
132b3c4ca
141ba78dc
151338dc0
hexd3586a

13850730 has 64 divisors (see below), whose sum is σ = 37825920. Its totient is φ = 3604608.

The previous prime is 13850723. The next prime is 13850737. The reversal of 13850730 is 3705831.

13850730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13850723) and next prime (13850737).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13850694 and 13850703.

It is not an unprimeable number, because it can be changed into a prime (13850737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11014 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (591030).

Almost surely, 213850730 is an apocalyptic number.

13850730 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 13850730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18912960).

13850730 is an abundant number, since it is smaller than the sum of its proper divisors (23975190).

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

13850730 is a wasteful number, since it uses less digits than its factorization.

13850730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13850730 is about 3721.6568890751. The cubic root of 13850730 is about 240.1545879060.

The spelling of 13850730 in words is "thirteen million, eight hundred fifty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 43 45 54 86 90 129 135 215 258 270 387 430 645 774 1161 1193 1290 1935 2322 2386 3579 3870 5805 5965 7158 10737 11610 11930 17895 21474 32211 35790 51299 53685 64422 102598 107370 153897 161055 256495 307794 322110 461691 512990 769485 923382 1385073 1538970 2308455 2770146 4616910 6925365 13850730