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68692641 = 322897547
BaseRepresentation
bin1000001100000…
…10101010100001
311210020221120220
410012002222201
5120041131031
610452153253
71462610043
oct406025241
9153227526
1068692641
1135858886
121b008829
1311301744
1491a1a93
15606d596
hex4182aa1

68692641 has 4 divisors (see below), whose sum is σ = 91590192. Its totient is φ = 45795092.

The previous prime is 68692639. The next prime is 68692643. The reversal of 68692641 is 14629686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68692639) and next prime (68692643).

It is a cyclic number.

It is not a de Polignac number, because 68692641 - 21 = 68692639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68692593 and 68692602.

It is not an unprimeable number, because it can be changed into a prime (68692643) 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, 11448771 + ... + 11448776.

It is an arithmetic number, because the mean of its divisors is an integer number (22897548).

Almost surely, 268692641 is an apocalyptic number.

It is an amenable number.

68692641 is a deficient number, since it is larger than the sum of its proper divisors (22897551).

68692641 is a wasteful number, since it uses less digits than its factorization.

68692641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22897550.

The product of its digits is 124416, while the sum is 42.

The square root of 68692641 is about 8288.1023762982. The cubic root of 68692641 is about 409.5466752410.

The spelling of 68692641 in words is "sixty-eight million, six hundred ninety-two thousand, six hundred forty-one".

Divisors: 1 3 22897547 68692641