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68992274 = 2132653549
BaseRepresentation
bin1000001110010…
…11110100010010
311210211011121102
410013023310102
5120130223044
610502424402
71465265441
oct407136422
9153734542
1068992274
1135a42a0a
121b132102
13113a7c40
14923cd58
1560cc24e
hex41cbd12

68992274 has 8 divisors (see below), whose sum is σ = 111449100. Its totient is φ = 31842576.

The previous prime is 68992271. The next prime is 68992277. The reversal of 68992274 is 47229986.

It is an interprime number because it is at equal distance from previous prime (68992271) and next prime (68992277).

It can be written as a sum of positive squares in 2 ways, for example, as 54982225 + 14010049 = 7415^2 + 3743^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68992271) 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, 1326749 + ... + 1326800.

Almost surely, 268992274 is an apocalyptic number.

68992274 is a deficient number, since it is larger than the sum of its proper divisors (42456826).

68992274 is a wasteful number, since it uses less digits than its factorization.

68992274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653564.

The product of its digits is 435456, while the sum is 47.

The square root of 68992274 is about 8306.1587993488. The cubic root of 68992274 is about 410.1412838489.

The spelling of 68992274 in words is "sixty-eight million, nine hundred ninety-two thousand, two hundred seventy-four".

Divisors: 1 2 13 26 2653549 5307098 34496137 68992274