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68949152 = 25972229
BaseRepresentation
bin1000001110000…
…01010010100000
311210201222110022
410013001102200
5120122333102
610501453012
71465025636
oct407012240
9153658408
1068949152
1135a13578
121b111168
131139141c
14922b356
1560be5a2
hex41c14a0

68949152 has 36 divisors (see below), whose sum is σ = 137756430. Its totient is φ = 33970176.

The previous prime is 68949121. The next prime is 68949169. The reversal of 68949152 is 25194986.

It can be written as a sum of positive squares in 3 ways, for example, as 66650896 + 2298256 = 8164^2 + 1516^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300974 + ... + 301202.

Almost surely, 268949152 is an apocalyptic number.

It is an amenable number.

68949152 is a deficient number, since it is larger than the sum of its proper divisors (68807278).

68949152 is an equidigital number, since it uses as much as digits as its factorization.

68949152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 328 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 68949152 is about 8303.5626089047. The cubic root of 68949152 is about 410.0558163153.

The spelling of 68949152 in words is "sixty-eight million, nine hundred forty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 97 194 229 388 458 776 916 1552 1832 3104 3664 7328 9409 18818 22213 37636 44426 75272 88852 150544 177704 301088 355408 710816 2154661 4309322 8618644 17237288 34474576 68949152