Search a number
-
+
61894295 = 512378859
BaseRepresentation
bin1110110000011…
…0111010010111
311022110120000022
43230012322113
5111321104140
610050335355
71351043561
oct354067227
9138416008
1061894295
1131a35111
121888a55b
13ca91258
148312331
1556790b5
hex3b06e97

61894295 has 4 divisors (see below), whose sum is σ = 74273160. Its totient is φ = 49515432.

The previous prime is 61894247. The next prime is 61894307. The reversal of 61894295 is 59249816.

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

It is a cyclic number.

It is not a de Polignac number, because 61894295 - 216 = 61828759 is a prime.

It is a super-3 number, since 3×618942953 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6189425 + ... + 6189434.

It is an arithmetic number, because the mean of its divisors is an integer number (18568290).

Almost surely, 261894295 is an apocalyptic number.

61894295 is a deficient number, since it is larger than the sum of its proper divisors (12378865).

61894295 is a wasteful number, since it uses less digits than its factorization.

61894295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12378864.

The product of its digits is 155520, while the sum is 44.

The square root of 61894295 is about 7867.2927363865. The cubic root of 61894295 is about 395.5641034843.

The spelling of 61894295 in words is "sixty-one million, eight hundred ninety-four thousand, two hundred ninety-five".

Divisors: 1 5 12378859 61894295