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61976093 = 113548461
BaseRepresentation
bin1110110001101…
…0111000011101
311022121201012212
43230122320131
5111331213333
610052210205
71351534214
oct354327035
9138551185
1061976093
1131a90613
1218909965
13cabc55a
14833407b
155693448
hex3b1ae1d

61976093 has 4 divisors (see below), whose sum is σ = 62524668. Its totient is φ = 61427520.

The previous prime is 61976077. The next prime is 61976141. The reversal of 61976093 is 39067916.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13227769 + 48748324 = 3637^2 + 6982^2 .

It is a cyclic number.

It is not a de Polignac number, because 61976093 - 24 = 61976077 is a prime.

It is a super-2 number, since 2×619760932 = 7682072207089298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61976093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61976063) 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, 274118 + ... + 274343.

It is an arithmetic number, because the mean of its divisors is an integer number (15631167).

Almost surely, 261976093 is an apocalyptic number.

It is an amenable number.

61976093 is a deficient number, since it is larger than the sum of its proper divisors (548575).

61976093 is a wasteful number, since it uses less digits than its factorization.

61976093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548574.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 61976093 is about 7872.4896316223. The cubic root of 61976093 is about 395.7382827534.

The spelling of 61976093 in words is "sixty-one million, nine hundred seventy-six thousand, ninety-three".

Divisors: 1 113 548461 61976093