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68625201 = 3591093557
BaseRepresentation
bin1000001011100…
…10001100110001
311210010112002010
410011302030301
5120032001301
610450513133
71462206321
oct405621461
9153115063
1068625201
1135812147
121ab957a9
13112a9b38
149185281
1560585d6
hex4172331

68625201 has 16 divisors (see below), whose sum is σ = 93931200. Its totient is φ = 44549568.

The previous prime is 68625197. The next prime is 68625211. The reversal of 68625201 is 10252686.

It is not a de Polignac number, because 68625201 - 22 = 68625197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68625211) 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 15 ways as a sum of consecutive naturals, for example, 17515 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (5870700).

Almost surely, 268625201 is an apocalyptic number.

It is an amenable number.

68625201 is a deficient number, since it is larger than the sum of its proper divisors (25305999).

68625201 is a wasteful number, since it uses less digits than its factorization.

68625201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 68625201 is about 8284.0328946715. The cubic root of 68625201 is about 409.4126052202.

Adding to 68625201 its reverse (10252686), we get a palindrome (78877887).

The spelling of 68625201 in words is "sixty-eight million, six hundred twenty-five thousand, two hundred one".

Divisors: 1 3 59 109 177 327 3557 6431 10671 19293 209863 387713 629589 1163139 22875067 68625201