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13713770 = 257409479
BaseRepresentation
bin110100010100…
…000101101010
3221210201202102
4310110011222
512002320040
61205533402
7224364560
oct64240552
927721672
1013713770
1178173a4
124714262
132ac2075
141b6da30
15130d515
hexd1416a

13713770 has 32 divisors (see below), whose sum is σ = 28339200. Its totient is φ = 4680576.

The previous prime is 13713769. The next prime is 13713779. The reversal of 13713770 is 7731731.

It is a happy number.

It is a super-2 number, since 2×137137702 = 376134975225800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13713779) 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, 28391 + ... + 28869.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 213713770 is an apocalyptic number.

13713770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13713770 is an abundant number, since it is smaller than the sum of its proper divisors (14625430).

13713770 is a wasteful number, since it uses less digits than its factorization.

13713770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 13713770 is about 3703.2107690489. The cubic root of 13713770 is about 239.3603918442.

The spelling of 13713770 in words is "thirteen million, seven hundred thirteen thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 409 479 818 958 2045 2395 2863 3353 4090 4790 5726 6706 14315 16765 28630 33530 195911 391822 979555 1371377 1959110 2742754 6856885 13713770