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61998296 = 2327128597
BaseRepresentation
bin1110110010000…
…0010011011000
311022122211200012
43230200103120
5111332421141
610052501052
71351656023
oct354402330
9138584605
1061998296
1131aa6268
121891a788
13cac96a9
14833c1ba
155699ceb
hex3b204d8

61998296 has 16 divisors (see below), whose sum is σ = 116679840. Its totient is φ = 30883680.

The previous prime is 61998289. The next prime is 61998301. The reversal of 61998296 is 69289916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12131 + ... + 16466.

It is an arithmetic number, because the mean of its divisors is an integer number (7292490).

Almost surely, 261998296 is an apocalyptic number.

It is an amenable number.

61998296 is a deficient number, since it is larger than the sum of its proper divisors (54681544).

61998296 is a wasteful number, since it uses less digits than its factorization.

61998296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28874 (or 28870 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 61998296 is about 7873.8996691601. The cubic root of 61998296 is about 395.7855349954.

The spelling of 61998296 in words is "sixty-one million, nine hundred ninety-eight thousand, two hundred ninety-six".

Divisors: 1 2 4 8 271 542 1084 2168 28597 57194 114388 228776 7749787 15499574 30999148 61998296