Search a number
-
+
61883601 = 31312311289
BaseRepresentation
bin1110110000010…
…0010011010001
311022110000100020
43230010103101
5111320233401
610050214053
71351000443
oct354042321
9138400306
1061883601
1131a2807a
1218884329
13ca89420
14830c493
155675d36
hex3b044d1

61883601 has 16 divisors (see below), whose sum is σ = 88999680. Its totient is φ = 38021760.

The previous prime is 61883597. The next prime is 61883603. The reversal of 61883601 is 10638816.

It is not a de Polignac number, because 61883601 - 22 = 61883597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61883603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47365 + ... + 48653.

It is an arithmetic number, because the mean of its divisors is an integer number (5562480).

Almost surely, 261883601 is an apocalyptic number.

It is an amenable number.

61883601 is a deficient number, since it is larger than the sum of its proper divisors (27116079).

61883601 is a wasteful number, since it uses less digits than its factorization.

61883601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 61883601 is about 7866.6130577269. The cubic root of 61883601 is about 395.5413205219.

The spelling of 61883601 in words is "sixty-one million, eight hundred eighty-three thousand, six hundred one".

Divisors: 1 3 13 39 1231 1289 3693 3867 16003 16757 48009 50271 1586759 4760277 20627867 61883601