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61486028 = 22109141023
BaseRepresentation
bin1110101010001…
…1001111001100
311021200210222022
43222203033030
5111220023103
610033505312
71344423362
oct352431714
9137623868
1061486028
11317863aa
1218712238
13c97a486
148247632
1555e8138
hex3aa33cc

61486028 has 12 divisors (see below), whose sum is σ = 108588480. Its totient is φ = 30460752.

The previous prime is 61486021. The next prime is 61486037. The reversal of 61486028 is 82068416.

It is not an unprimeable number, because it can be changed into a prime (61486021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70076 + ... + 70947.

It is an arithmetic number, because the mean of its divisors is an integer number (9049040).

Almost surely, 261486028 is an apocalyptic number.

It is an amenable number.

61486028 is a deficient number, since it is larger than the sum of its proper divisors (47102452).

61486028 is a wasteful number, since it uses less digits than its factorization.

61486028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141136 (or 141134 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 61486028 is about 7841.3026978940. The cubic root of 61486028 is about 394.6924444575.

The spelling of 61486028 in words is "sixty-one million, four hundred eighty-six thousand, twenty-eight".

Divisors: 1 2 4 109 218 436 141023 282046 564092 15371507 30743014 61486028