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61042146 = 2311924881
BaseRepresentation
bin1110100011011…
…0110111100010
311020212021002020
43220312313202
5111111322041
610020202310
71340564304
oct350666742
9136767066
1061042146
1131502960
1218539396
13c853419
14816d974
15555b866
hex3a36de2

61042146 has 16 divisors (see below), whose sum is σ = 133183008. Its totient is φ = 18497600.

The previous prime is 61042141. The next prime is 61042181. The reversal of 61042146 is 64124016.

It is a super-2 number, since 2×610421462 = 7452287176570632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61042141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462375 + ... + 462506.

It is an arithmetic number, because the mean of its divisors is an integer number (8323938).

Almost surely, 261042146 is an apocalyptic number.

61042146 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61042146 is an abundant number, since it is smaller than the sum of its proper divisors (72140862).

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

61042146 is a wasteful number, since it uses less digits than its factorization.

61042146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924897.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61042146 is about 7812.9473311933. The cubic root of 61042146 is about 393.7403573350.

The spelling of 61042146 in words is "sixty-one million, forty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 924881 1849762 2774643 5549286 10173691 20347382 30521073 61042146