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68949312 = 263359111
BaseRepresentation
bin1000001110000…
…01010101000000
311210201222200020
410013001111000
5120122334222
610501453440
71465026255
oct407012500
9153658606
1068949312
1135a13703
121b111280
1311391513
14922b42c
1560be65c
hex41c1540

68949312 has 28 divisors (see below), whose sum is σ = 182428896. Its totient is φ = 22983040.

The previous prime is 68949311. The next prime is 68949317. The reversal of 68949312 is 21394986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68949311) 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, 179364 + ... + 179747.

Almost surely, 268949312 is an apocalyptic number.

It is an amenable number.

68949312 is an abundant number, since it is smaller than the sum of its proper divisors (113479584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68949312 is a wasteful number, since it uses less digits than its factorization.

68949312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359126 (or 359116 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 68949312 is about 8303.5722433179. The cubic root of 68949312 is about 410.0561335002.

The spelling of 68949312 in words is "sixty-eight million, nine hundred forty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 359111 718222 1077333 1436444 2154666 2872888 4309332 5745776 8618664 11491552 17237328 22983104 34474656 68949312