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61061928 = 2332544247
BaseRepresentation
bin1110100011101…
…1101100101000
311020220021012220
43220323230220
5111112440203
610020434040
71341006054
oct350735450
9136807186
1061061928
1131516804
1218548920
13c85c425
148176c64
155562653
hex3a3bb28

61061928 has 16 divisors (see below), whose sum is σ = 152654880. Its totient is φ = 20353968.

The previous prime is 61061927. The next prime is 61061947. The reversal of 61061928 is 82916016.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61061927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272100 + ... + 1272147.

It is an arithmetic number, because the mean of its divisors is an integer number (9540930).

Almost surely, 261061928 is an apocalyptic number.

It is an amenable number.

61061928 is an abundant number, since it is smaller than the sum of its proper divisors (91592952).

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

61061928 is a wasteful number, since it uses less digits than its factorization.

61061928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544256 (or 2544252 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 61061928 is about 7814.2132041556. The cubic root of 61061928 is about 393.7828860414.

The spelling of 61061928 in words is "sixty-one million, sixty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 2544247 5088494 7632741 10176988 15265482 20353976 30530964 61061928