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68982455 = 529347087
BaseRepresentation
bin1000001110010…
…01011010110111
311210210200010202
410013021122313
5120124414310
610502311115
71465225013
oct407113267
9153720122
1068982455
1135a365a3
121b12849b
13113a3629
149239543
1560c93a5
hex41c96b7

68982455 has 8 divisors (see below), whose sum is σ = 83063232. Its totient is φ = 54996448.

The previous prime is 68982443. The next prime is 68982461. The reversal of 68982455 is 55428986.

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

It is a cyclic number.

It is not a de Polignac number, because 68982455 - 216 = 68916919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22079 + ... + 25008.

It is an arithmetic number, because the mean of its divisors is an integer number (10382904).

Almost surely, 268982455 is an apocalyptic number.

68982455 is a deficient number, since it is larger than the sum of its proper divisors (14080777).

68982455 is a wasteful number, since it uses less digits than its factorization.

68982455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47385.

The product of its digits is 691200, while the sum is 47.

The square root of 68982455 is about 8305.5677108793. The cubic root of 68982455 is about 410.1218257845.

The spelling of 68982455 in words is "sixty-eight million, nine hundred eighty-two thousand, four hundred fifty-five".

Divisors: 1 5 293 1465 47087 235435 13796491 68982455