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13785074 = 267710181
BaseRepresentation
bin110100100101…
…011111110010
3221221100120022
4310211133302
512012110244
61211243442
7225112502
oct64453762
927840508
1013785074
117865a26
124749582
132b18664
141b8ba02
1513246ee
hexd257f2

13785074 has 8 divisors (see below), whose sum is σ = 20710188. Its totient is φ = 6881680.

The previous prime is 13785041. The next prime is 13785091. The reversal of 13785074 is 47058731.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 2122849 = 3415^2 + 1457^2 .

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

It is a super-4 number, since 4×137850744 (a number of 30 digits) contains 4444 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737 + ... + 6444.

Almost surely, 213785074 is an apocalyptic number.

13785074 is a deficient number, since it is larger than the sum of its proper divisors (6925114).

13785074 is a wasteful number, since it uses less digits than its factorization.

13785074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 13785074 is about 3712.8256086167. The cubic root of 13785074 is about 239.7745220280.

The spelling of 13785074 in words is "thirteen million, seven hundred eighty-five thousand, seventy-four".

Divisors: 1 2 677 1354 10181 20362 6892537 13785074