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61257282 = 2311299043
BaseRepresentation
bin1110100110101…
…1011001000010
311021021012012020
43221223121002
5111140213112
610024542310
71342451442
oct351533102
9137235166
1061257282
113163a559
1218621996
13c8ca318
1481c8122
1555a048c
hex3a6b642

61257282 has 16 divisors (see below), whose sum is σ = 122636640. Its totient is φ = 20398752.

The previous prime is 61257269. The next prime is 61257283. The reversal of 61257282 is 28275216.

61257282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61257283) 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, 2253 + ... + 11295.

It is an arithmetic number, because the mean of its divisors is an integer number (7664790).

Almost surely, 261257282 is an apocalyptic number.

61257282 is an abundant number, since it is smaller than the sum of its proper divisors (61379358).

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

61257282 is a wasteful number, since it uses less digits than its factorization.

61257282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177.

The product of its digits is 13440, while the sum is 33.

The square root of 61257282 is about 7826.7031373369. The cubic root of 61257282 is about 394.2023791306.

The spelling of 61257282 in words is "sixty-one million, two hundred fifty-seven thousand, two hundred eighty-two".

Divisors: 1 2 3 6 1129 2258 3387 6774 9043 18086 27129 54258 10209547 20419094 30628641 61257282