Search a number
-
+
61102237 = 7231911987
BaseRepresentation
bin1110100100010…
…1100010011101
311020222022111211
43221011202131
5111120232422
610021344421
71341234430
oct351054235
9136868454
1061102237
1131544019
1218568111
13c874891
148187817
15556e577
hex3a4589d

61102237 has 16 divisors (see below), whose sum is σ = 73285632. Its totient is φ = 49808880.

The previous prime is 61102231. The next prime is 61102253. The reversal of 61102237 is 73220116.

61102237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61102237 - 223 = 52713629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61102231) 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 15 ways as a sum of consecutive naturals, for example, 29758 + ... + 31744.

It is an arithmetic number, because the mean of its divisors is an integer number (4580352).

Almost surely, 261102237 is an apocalyptic number.

It is an amenable number.

61102237 is a deficient number, since it is larger than the sum of its proper divisors (12183395).

61102237 is a wasteful number, since it uses less digits than its factorization.

61102237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 61102237 is about 7816.7919890451. The cubic root of 61102237 is about 393.8695166877.

The spelling of 61102237 in words is "sixty-one million, one hundred two thousand, two hundred thirty-seven".

Divisors: 1 7 23 161 191 1337 1987 4393 13909 30751 45701 319907 379517 2656619 8728891 61102237