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61042746 = 2373139367
BaseRepresentation
bin1110100011011…
…1000000111010
311020212021220110
43220313000322
5111111331441
610020205150
71340566122
oct350670072
9136767813
1061042746
1131503356
12185397b6
13c85378b
14816dc82
15555bb16
hex3a3703a

61042746 has 16 divisors (see below), whose sum is σ = 123758784. Its totient is φ = 20068704.

The previous prime is 61042721. The next prime is 61042753. The reversal of 61042746 is 64724016.

61042746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 69246 + ... + 70121.

It is an arithmetic number, because the mean of its divisors is an integer number (7734924).

Almost surely, 261042746 is an apocalyptic number.

61042746 is an abundant number, since it is smaller than the sum of its proper divisors (62716038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61042746 is a wasteful number, since it uses less digits than its factorization.

61042746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139445.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 61042746 is about 7812.9857289003. The cubic root of 61042746 is about 393.7416473915.

The spelling of 61042746 in words is "sixty-one million, forty-two thousand, seven hundred forty-six".

Divisors: 1 2 3 6 73 146 219 438 139367 278734 418101 836202 10173791 20347582 30521373 61042746