Search a number
-
+
61112955 = 3523307577
BaseRepresentation
bin1110100100100…
…0001001111011
311020222212012210
43221020021323
5111121103310
610021510203
71341310611
oct351101173
9136885183
1061112955
1131551082
1218572363
13c879717
14818b6b1
155572820
hex3a4827b

61112955 has 32 divisors (see below), whose sum is σ = 102541824. Its totient is φ = 31021056.

The previous prime is 61112951. The next prime is 61112957. The reversal of 61112955 is 55921116.

61112955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61112955 - 22 = 61112951 is a prime.

It is a super-3 number, since 3×611129553 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61112951) 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 31 ways as a sum of consecutive naturals, for example, 105627 + ... + 106203.

It is an arithmetic number, because the mean of its divisors is an integer number (3204432).

Almost surely, 261112955 is an apocalyptic number.

61112955 is a deficient number, since it is larger than the sum of its proper divisors (41428869).

61112955 is a wasteful number, since it uses less digits than its factorization.

61112955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 2700, while the sum is 30.

The square root of 61112955 is about 7817.4775343457. The cubic root of 61112955 is about 393.8925450136.

The spelling of 61112955 in words is "sixty-one million, one hundred twelve thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 23 69 115 307 345 577 921 1535 1731 2885 4605 7061 8655 13271 21183 35305 39813 66355 105915 177139 199065 531417 885695 2657085 4074197 12222591 20370985 61112955