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61298012 = 2219180233
BaseRepresentation
bin1110100111010…
…1010101011100
311021100021001202
43221311111130
5111143014022
610025455032
71343011256
oct351652534
9137307052
1061298012
1131668116
1218641478
13c912a19
1481d8cd6
1555ac592
hex3a7555c

61298012 has 12 divisors (see below), whose sum is σ = 107834496. Its totient is φ = 30488160.

The previous prime is 61297987. The next prime is 61298023. The reversal of 61298012 is 21089216.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39353 + ... + 40880.

It is an arithmetic number, because the mean of its divisors is an integer number (8986208).

Almost surely, 261298012 is an apocalyptic number.

It is an amenable number.

61298012 is a deficient number, since it is larger than the sum of its proper divisors (46536484).

61298012 is a wasteful number, since it uses less digits than its factorization.

61298012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80428 (or 80426 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 61298012 is about 7829.3046945434. The cubic root of 61298012 is about 394.2897282325.

It can be divided in two parts, 6129 and 8012, that added together give a palindrome (14141).

The spelling of 61298012 in words is "sixty-one million, two hundred ninety-eight thousand, twelve".

Divisors: 1 2 4 191 382 764 80233 160466 320932 15324503 30649006 61298012