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68607254 = 2193177739
BaseRepresentation
bin1000001011011…
…01110100010110
311210002121110102
410011231310112
5120030413004
610450254102
71462103102
oct405556426
9153077412
1068607254
11357aa711
121ab87332
13112a1911
14917c902
15605311e
hex416dd16

68607254 has 8 divisors (see below), whose sum is σ = 103444680. Its totient is φ = 34125696.

The previous prime is 68607241. The next prime is 68607269. The reversal of 68607254 is 45270686.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88484 + ... + 89255.

It is an arithmetic number, because the mean of its divisors is an integer number (12930585).

Almost surely, 268607254 is an apocalyptic number.

68607254 is a deficient number, since it is larger than the sum of its proper divisors (34837426).

68607254 is a wasteful number, since it uses less digits than its factorization.

68607254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177934.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 68607254 is about 8282.9495954038. The cubic root of 68607254 is about 409.3769119737.

The spelling of 68607254 in words is "sixty-eight million, six hundred seven thousand, two hundred fifty-four".

Divisors: 1 2 193 386 177739 355478 34303627 68607254