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68364901 = 1123270217
BaseRepresentation
bin1000001001100…
…10101001100101
311202122022000101
410010302221211
5120000134101
610441144101
71460043403
oct404625145
9152568011
1068364901
1135654620
121aa8b031
1311218507
149118473
156006401
hex4132a65

68364901 has 8 divisors (see below), whose sum is σ = 77822784. Its totient is φ = 59447520.

The previous prime is 68364853. The next prime is 68364949. The reversal of 68364901 is 10946386.

It is an interprime number because it is at equal distance from previous prime (68364853) and next prime (68364949).

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

It is not a de Polignac number, because 68364901 - 27 = 68364773 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 (68361901) 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 7 ways as a sum of consecutive naturals, for example, 134856 + ... + 135361.

It is an arithmetic number, because the mean of its divisors is an integer number (9727848).

Almost surely, 268364901 is an apocalyptic number.

It is an amenable number.

68364901 is a deficient number, since it is larger than the sum of its proper divisors (9457883).

68364901 is a wasteful number, since it uses less digits than its factorization.

68364901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270251.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68364901 is about 8268.3070213920. The cubic root of 68364901 is about 408.8943061757.

The spelling of 68364901 in words is "sixty-eight million, three hundred sixty-four thousand, nine hundred one".

Divisors: 1 11 23 253 270217 2972387 6214991 68364901