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68470801 = 779123817
BaseRepresentation
bin1000001010011…
…00100000010001
311202211200021121
410011030200101
5120012031201
610443322241
71460664220
oct405144021
9152750247
1068470801
1135717143
121ab20381
1311254789
149144cb7
1560279a1
hex414c811

68470801 has 8 divisors (see below), whose sum is σ = 79243520. Its totient is φ = 57945888.

The previous prime is 68470789. The next prime is 68470807. The reversal of 68470801 is 10807486.

It is a happy number.

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

It is not a de Polignac number, because 68470801 - 27 = 68470673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68470807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61356 + ... + 62461.

It is an arithmetic number, because the mean of its divisors is an integer number (9905440).

Almost surely, 268470801 is an apocalyptic number.

It is an amenable number.

68470801 is a deficient number, since it is larger than the sum of its proper divisors (10772719).

68470801 is a wasteful number, since it uses less digits than its factorization.

68470801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123903.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 68470801 is about 8274.7085145037. The cubic root of 68470801 is about 409.1053285318.

The spelling of 68470801 in words is "sixty-eight million, four hundred seventy thousand, eight hundred one".

Divisors: 1 7 79 553 123817 866719 9781543 68470801