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61094961 = 3241165569
BaseRepresentation
bin1110100100001…
…1110000110001
311020221221112100
43221003300301
5111120014321
610021251013
71341204264
oct351036061
9136857470
1061094961
1131539604
1218563a69
13c871485
148184cdb
15556c326
hex3a43c31

61094961 has 12 divisors (see below), whose sum is σ = 90401220. Its totient is φ = 39736320.

The previous prime is 61094951. The next prime is 61094963. The reversal of 61094961 is 16949016.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 58614336 = 1575^2 + 7656^2 .

It is not a de Polignac number, because 61094961 - 26 = 61094897 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61094963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82416 + ... + 83153.

It is an arithmetic number, because the mean of its divisors is an integer number (7533435).

Almost surely, 261094961 is an apocalyptic number.

It is an amenable number.

61094961 is a deficient number, since it is larger than the sum of its proper divisors (29306259).

61094961 is a wasteful number, since it uses less digits than its factorization.

61094961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165616 (or 165613 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 61094961 is about 7816.3265668727. The cubic root of 61094961 is about 393.8538821900.

The spelling of 61094961 in words is "sixty-one million, ninety-four thousand, nine hundred sixty-one".

Divisors: 1 3 9 41 123 369 165569 496707 1490121 6788329 20364987 61094961