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61283066 = 21315715013
BaseRepresentation
bin1110100111000…
…1101011111010
311021022111120012
43221301223322
5111142024231
610025301522
71342616555
oct351615372
9137274505
1061283066
1131657969
12186348a2
13c908c90
1481d369c
1555a7e2b
hex3a71afa

61283066 has 16 divisors (see below), whose sum is σ = 99632904. Its totient is φ = 28102464.

The previous prime is 61283059. The next prime is 61283081. The reversal of 61283066 is 66038216.

It can be written as a sum of positive squares in 4 ways, for example, as 43178041 + 18105025 = 6571^2 + 4255^2 .

It is a super-2 number, since 2×612830662 = 7511228356720712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3425 + ... + 11588.

Almost surely, 261283066 is an apocalyptic number.

61283066 is a deficient number, since it is larger than the sum of its proper divisors (38349838).

61283066 is a wasteful number, since it uses less digits than its factorization.

61283066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 61283066 is about 7828.3501454649. The cubic root of 61283066 is about 394.2576797037.

The spelling of 61283066 in words is "sixty-one million, two hundred eighty-three thousand, sixty-six".

Divisors: 1 2 13 26 157 314 2041 4082 15013 30026 195169 390338 2357041 4714082 30641533 61283066