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68162373 = 327573597
BaseRepresentation
bin1000001000000…
…01001101000101
311202021000012100
410010001031011
5114422143443
610432542313
71455241056
oct404011505
9152230170
1068162373
1135526444
121a9b1999
1311177286
1490a472d
155eb63d3
hex4101345

68162373 has 6 divisors (see below), whose sum is σ = 98456774. Its totient is φ = 45441576.

The previous prime is 68162371. The next prime is 68162417. The reversal of 68162373 is 37326186.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67617729 + 544644 = 8223^2 + 738^2 .

It is not a de Polignac number, because 68162373 - 21 = 68162371 is a prime.

It is a super-2 number, since 2×681623732 = 9292218185982258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68162371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3786790 + ... + 3786807.

Almost surely, 268162373 is an apocalyptic number.

It is an amenable number.

68162373 is a deficient number, since it is larger than the sum of its proper divisors (30294401).

68162373 is a wasteful number, since it uses less digits than its factorization.

68162373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573603 (or 7573600 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 68162373 is about 8256.0506902514. The cubic root of 68162373 is about 408.4901296862.

The spelling of 68162373 in words is "sixty-eight million, one hundred sixty-two thousand, three hundred seventy-three".

Divisors: 1 3 9 7573597 22720791 68162373