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13764745 = 517315913
BaseRepresentation
bin110100100000…
…100010001001
3221220022200101
4310200202021
512010432440
61211005401
7224666311
oct64404211
927808611
1013764745
117851725
124739861
132b0c327
141b84441
15131d69a
hexd20889

13764745 has 8 divisors (see below), whose sum is σ = 16614216. Its totient is φ = 10947456.

The previous prime is 13764739. The next prime is 13764757. The reversal of 13764745 is 54746731.

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 7634169 = 2476^2 + 2763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13764745 - 27 = 13764617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092 + ... + 8821.

It is an arithmetic number, because the mean of its divisors is an integer number (2076777).

Almost surely, 213764745 is an apocalyptic number.

It is an amenable number.

13764745 is a deficient number, since it is larger than the sum of its proper divisors (2849471).

13764745 is a wasteful number, since it uses less digits than its factorization.

13764745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091.

The product of its digits is 70560, while the sum is 37.

The square root of 13764745 is about 3710.0869262054. The cubic root of 13764745 is about 239.6565980008.

The spelling of 13764745 in words is "thirteen million, seven hundred sixty-four thousand, seven hundred forty-five".

Divisors: 1 5 173 865 15913 79565 2752949 13764745