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61910801 = 1093831483
BaseRepresentation
bin1110110000101…
…0111100010001
311022111101122122
43230022330101
5111322121201
610050544025
71351142651
oct354127421
9138441578
1061910801
1131a46557
1218898015
13ca98914
148318361
15567de1b
hex3b0af11

61910801 has 8 divisors (see below), whose sum is σ = 62684160. Its totient is φ = 61141392.

The previous prime is 61910777. The next prime is 61910809. The reversal of 61910801 is 10801916.

61910801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61910801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61910809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41006 + ... + 42488.

It is an arithmetic number, because the mean of its divisors is an integer number (7835520).

Almost surely, 261910801 is an apocalyptic number.

It is an amenable number.

61910801 is a deficient number, since it is larger than the sum of its proper divisors (773359).

61910801 is a wasteful number, since it uses less digits than its factorization.

61910801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 61910801 is about 7868.3416931397. The cubic root of 61910801 is about 395.5992634333.

The spelling of 61910801 in words is "sixty-one million, nine hundred ten thousand, eight hundred one".

Divisors: 1 109 383 1483 41747 161647 567989 61910801