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68801468 = 22143911953
BaseRepresentation
bin1000001100111…
…01001110111100
311210110110212112
410012131032330
5120103121333
610454353152
71463542241
oct406351674
9153413775
1068801468
113592261a
121b05b7b8
131133c138
1491cd5c8
156090948
hex419d3bc

68801468 has 12 divisors (see below), whose sum is σ = 120496320. Its totient is φ = 34373952.

The previous prime is 68801461. The next prime is 68801483. The reversal of 68801468 is 86410886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68801461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221 + ... + 11732.

It is an arithmetic number, because the mean of its divisors is an integer number (10041360).

Almost surely, 268801468 is an apocalyptic number.

It is an amenable number.

68801468 is a deficient number, since it is larger than the sum of its proper divisors (51694852).

68801468 is a wasteful number, since it uses less digits than its factorization.

68801468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396 (or 13394 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 68801468 is about 8294.6650324169. The cubic root of 68801468 is about 409.7628372607.

The spelling of 68801468 in words is "sixty-eight million, eight hundred one thousand, four hundred sixty-eight".

Divisors: 1 2 4 1439 2878 5756 11953 23906 47812 17200367 34400734 68801468