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61367028 = 22328118199
BaseRepresentation
bin1110101000011…
…0001011110100
311021110202201220
43222012023310
5111202221103
610031150340
71343416422
oct352061364
9137422656
1061367028
1131704a58
12186753b0
13c938268
148216112
1555c2c53
hex3a862f4

61367028 has 24 divisors (see below), whose sum is σ = 143707200. Its totient is φ = 20381760.

The previous prime is 61366997. The next prime is 61367039. The reversal of 61367028 is 82076316.

61367028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61367028.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5728 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (5987800).

Almost surely, 261367028 is an apocalyptic number.

It is an amenable number.

61367028 is an abundant number, since it is smaller than the sum of its proper divisors (82340172).

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

61367028 is a wasteful number, since it uses less digits than its factorization.

61367028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18487 (or 18485 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61367028 is about 7833.7109979881. The cubic root of 61367028 is about 394.4376508840.

The spelling of 61367028 in words is "sixty-one million, three hundred sixty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 281 562 843 1124 1686 3372 18199 36398 54597 72796 109194 218388 5113919 10227838 15341757 20455676 30683514 61367028