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61305032 = 2316745887
BaseRepresentation
bin1110100111011…
…1000011001000
311021100121200202
43221313003020
5111143230112
610025551332
71343040605
oct351670310
9137317622
1061305032
1131672418
1218645548
13c915c89
1481db6ac
1555ae6c2
hex3a770c8

61305032 has 16 divisors (see below), whose sum is σ = 115637760. Its totient is φ = 30468304.

The previous prime is 61305029. The next prime is 61305089. The reversal of 61305032 is 23050316.

61305032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61304995 and 61305013.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21608 + ... + 24279.

It is an arithmetic number, because the mean of its divisors is an integer number (7227360).

Almost surely, 261305032 is an apocalyptic number.

It is an amenable number.

61305032 is a deficient number, since it is larger than the sum of its proper divisors (54332728).

61305032 is a wasteful number, since it uses less digits than its factorization.

61305032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46060 (or 46056 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 61305032 is about 7829.7529973812. The cubic root of 61305032 is about 394.3047793364.

Adding to 61305032 its reverse (23050316), we get a palindrome (84355348).

The spelling of 61305032 in words is "sixty-one million, three hundred five thousand, thirty-two".

Divisors: 1 2 4 8 167 334 668 1336 45887 91774 183548 367096 7663129 15326258 30652516 61305032