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68907295 = 513781459
BaseRepresentation
bin1000001101101…
…11000100011111
311210122212001001
410012313010133
5120120013140
610500531131
71464462622
oct406670437
9153585031
1068907295
1135995086
121b0b0aa7
1311378362
149219db9
1560b1e9a
hex41b711f

68907295 has 4 divisors (see below), whose sum is σ = 82688760. Its totient is φ = 55125832.

The previous prime is 68907269. The next prime is 68907313. The reversal of 68907295 is 59270986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68907295 - 215 = 68874527 is a prime.

It is a congruent 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, 6890725 + ... + 6890734.

It is an arithmetic number, because the mean of its divisors is an integer number (20672190).

Almost surely, 268907295 is an apocalyptic number.

68907295 is a deficient number, since it is larger than the sum of its proper divisors (13781465).

68907295 is a wasteful number, since it uses less digits than its factorization.

68907295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781464.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 68907295 is about 8301.0418020873. The cubic root of 68907295 is about 409.9728219145.

The spelling of 68907295 in words is "sixty-eight million, nine hundred seven thousand, two hundred ninety-five".

Divisors: 1 5 13781459 68907295