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68953630 = 256895363
BaseRepresentation
bin1000001110000…
…10011000011110
311210202012121011
410013002120132
5120123004010
610501525434
71465044664
oct407023036
9153665534
1068953630
1135a16979
121b11387a
1311393485
14922cc34
1560c0a8a
hex41c261e

68953630 has 8 divisors (see below), whose sum is σ = 124116552. Its totient is φ = 27581448.

The previous prime is 68953627. The next prime is 68953637. The reversal of 68953630 is 3635986.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68953637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3447672 + ... + 3447691.

It is an arithmetic number, because the mean of its divisors is an integer number (15514569).

Almost surely, 268953630 is an apocalyptic number.

68953630 is a deficient number, since it is larger than the sum of its proper divisors (55162922).

68953630 is a wasteful number, since it uses less digits than its factorization.

68953630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895370.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 68953630 is about 8303.8322478239. The cubic root of 68953630 is about 410.0646933411.

The spelling of 68953630 in words is "sixty-eight million, nine hundred fifty-three thousand, six hundred thirty".

Divisors: 1 2 5 10 6895363 13790726 34476815 68953630