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68293096 = 238536637
BaseRepresentation
bin1000001001000…
…01000111101000
311202111122111221
410010201013220
5114440334341
610435431424
71456324144
oct404410750
9152448457
1068293096
1135605683
121aa55574
13111c1921
1490da224
155edeed1
hex41211e8

68293096 has 8 divisors (see below), whose sum is σ = 128049570. Its totient is φ = 34146544.

The previous prime is 68293091. The next prime is 68293103. The reversal of 68293096 is 69039286.

It can be written as a sum of positive squares in only one way, i.e., 49196196 + 19096900 = 7014^2 + 4370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×682930962 = 9327893922530432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68293091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4268311 + ... + 4268326.

Almost surely, 268293096 is an apocalyptic number.

It is an amenable number.

68293096 is a deficient number, since it is larger than the sum of its proper divisors (59756474).

68293096 is a wasteful number, since it uses less digits than its factorization.

68293096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536643 (or 8536639 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 68293096 is about 8263.9636978874. The cubic root of 68293096 is about 408.7510994493.

The spelling of 68293096 in words is "sixty-eight million, two hundred ninety-three thousand, ninety-six".

Divisors: 1 2 4 8 8536637 17073274 34146548 68293096