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13730434 = 252113177
BaseRepresentation
bin110100011000…
…001010000010
3221211120121121
4310120022002
512003333214
61210142454
7224464264
oct64301202
927746547
1013730434
117828973
124721a2a
132ac9823
141b75b34
151313424
hexd18282

13730434 has 8 divisors (see below), whose sum is σ = 20636748. Its totient is φ = 6851520.

The previous prime is 13730419. The next prime is 13730501. The reversal of 13730434 is 43403731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13712209 + 18225 = 3703^2 + 135^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13730399 and 13730408.

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, 5547 + ... + 7630.

Almost surely, 213730434 is an apocalyptic number.

13730434 is a deficient number, since it is larger than the sum of its proper divisors (6906314).

13730434 is a wasteful number, since it uses less digits than its factorization.

13730434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 13730434 is about 3705.4600254219. The cubic root of 13730434 is about 239.4573038546.

The spelling of 13730434 in words is "thirteen million, seven hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 521 1042 13177 26354 6865217 13730434