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61944107 = 1731117541
BaseRepresentation
bin1110110001001…
…1000100101011
311022120002100012
43230103010223
5111324202412
610051402135
71351342031
oct354230453
9138502305
1061944107
1131a69585
12188b334b
13caaab24
148326551
155688c22
hex3b1312b

61944107 has 8 divisors (see below), whose sum is σ = 67704192. Its totient is φ = 56419200.

The previous prime is 61944079. The next prime is 61944131. The reversal of 61944107 is 70144916.

61944107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61944107 - 28 = 61943851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61944907) 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 7 ways as a sum of consecutive naturals, for example, 58244 + ... + 59297.

It is an arithmetic number, because the mean of its divisors is an integer number (8463024).

Almost surely, 261944107 is an apocalyptic number.

61944107 is a deficient number, since it is larger than the sum of its proper divisors (5760085).

61944107 is a wasteful number, since it uses less digits than its factorization.

61944107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117589.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 61944107 is about 7870.4578646989. The cubic root of 61944107 is about 395.6701905674.

It can be divided in two parts, 6194 and 4107, that added together give a palindrome (10301).

The spelling of 61944107 in words is "sixty-one million, nine hundred forty-four thousand, one hundred seven".

Divisors: 1 17 31 527 117541 1998197 3643771 61944107