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61941172 = 2215485293
BaseRepresentation
bin1110110001001…
…0010110110100
311022112221022111
43230102112310
5111324104142
610051340404
71351330336
oct354222664
9138487274
1061941172
1131a67357
12188b1704
13caa96a7
148325456
155687e17
hex3b125b4

61941172 has 6 divisors (see below), whose sum is σ = 108397058. Its totient is φ = 30970584.

The previous prime is 61941161. The next prime is 61941203. The reversal of 61941172 is 27114916.

61941172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38862756 + 23078416 = 6234^2 + 4804^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7742643 + ... + 7742650.

Almost surely, 261941172 is an apocalyptic number.

It is an amenable number.

61941172 is a deficient number, since it is larger than the sum of its proper divisors (46455886).

61941172 is a wasteful number, since it uses less digits than its factorization.

61941172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485297 (or 15485295 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 61941172 is about 7870.2714057394. The cubic root of 61941172 is about 395.6639413297.

The spelling of 61941172 in words is "sixty-one million, nine hundred forty-one thousand, one hundred seventy-two".

Divisors: 1 2 4 15485293 30970586 61941172