Search a number
-
+
61171067 = 674192179
BaseRepresentation
bin1110100101011…
…0010101111011
311021002210221002
43221112111323
5111124433232
610023035215
71341642206
oct351262573
9137083832
1061171067
1131590801
121859bb0b
13c899cc9
1481a493d
155584b62
hex3a5657b

61171067 has 8 divisors (see below), whose sum is σ = 62260800. Its totient is φ = 60086664.

The previous prime is 61171037. The next prime is 61171073. The reversal of 61171067 is 76017116.

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

It is a cyclic number.

It is not a de Polignac number, because 61171067 - 26 = 61171003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61171037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26984 + ... + 29162.

It is an arithmetic number, because the mean of its divisors is an integer number (7782600).

Almost surely, 261171067 is an apocalyptic number.

61171067 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

61171067 is a deficient number, since it is larger than the sum of its proper divisors (1089733).

61171067 is a wasteful number, since it uses less digits than its factorization.

61171067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 61171067 is about 7821.1934511301. The cubic root of 61171067 is about 394.0173556047.

The spelling of 61171067 in words is "sixty-one million, one hundred seventy-one thousand, sixty-seven".

Divisors: 1 67 419 2179 28073 145993 913001 61171067