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68650453 = 295940123
BaseRepresentation
bin1000001011110…
…00010111010101
311210011210201101
410011320113111
5120033303303
610451230101
71462343044
oct405702725
9153153641
1068650453
113582a113
121aba8331
13112b8491
14919055b
156060d1d
hex41785d5

68650453 has 8 divisors (see below), whose sum is σ = 72223200. Its totient is φ = 65158128.

The previous prime is 68650433. The next prime is 68650481. The reversal of 68650453 is 35405686.

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

It is not a de Polignac number, because 68650453 - 29 = 68649941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68650433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18351 + ... + 21772.

It is an arithmetic number, because the mean of its divisors is an integer number (9027900).

Almost surely, 268650453 is an apocalyptic number.

It is an amenable number.

68650453 is a deficient number, since it is larger than the sum of its proper divisors (3572747).

68650453 is a wasteful number, since it uses less digits than its factorization.

68650453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40211.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 68650453 is about 8285.5568913622. The cubic root of 68650453 is about 409.4628162172.

The spelling of 68650453 in words is "sixty-eight million, six hundred fifty thousand, four hundred fifty-three".

Divisors: 1 29 59 1711 40123 1163567 2367257 68650453