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68446903 = 7532592
BaseRepresentation
bin1000001010001…
…10101010110111
311202210110111111
410011012222313
5120010300103
610443015451
71460534440
oct405065267
9152713444
1068446903
1135700198
121ab0a587
1311246935
14913a2c7
15602086d
hex4146ab7

68446903 has 18 divisors (see below), whose sum is σ = 81103064. Its totient is φ = 56586192.

The previous prime is 68446901. The next prime is 68446969. The reversal of 68446903 is 30964486.

It is not a de Polignac number, because 68446903 - 21 = 68446901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68446901) 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 17 ways as a sum of consecutive naturals, for example, 1160088 + ... + 1160146.

Almost surely, 268446903 is an apocalyptic number.

68446903 is a deficient number, since it is larger than the sum of its proper divisors (12656161).

68446903 is an frugal number, since it uses more digits than its factorization.

68446903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 68446903 is about 8273.2643496990. The cubic root of 68446903 is about 409.0577270400.

The spelling of 68446903 in words is "sixty-eight million, four hundred forty-six thousand, nine hundred three".

Divisors: 1 7 53 59 371 413 2809 3127 3481 19663 21889 24367 165731 184493 1160117 1291451 9778129 68446903