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45530986 = 229785017
BaseRepresentation
bin1010110110101…
…1111101101010
310011200012202211
42231223331222
543123442421
64303515334
71062002254
oct255537552
9104605684
1045530986
1123779116
12132b8b4a
139582217
146092cd4
153ee59e1
hex2b6bf6a

45530986 has 8 divisors (see below), whose sum is σ = 70651620. Its totient is φ = 21980448.

The previous prime is 45530983. The next prime is 45530987. The reversal of 45530986 is 68903554.

It can be written as a sum of positive squares in 2 ways, for example, as 39375625 + 6155361 = 6275^2 + 2481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×455309862 = 4146141372264392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45530983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392451 + ... + 392566.

Almost surely, 245530986 is an apocalyptic number.

45530986 is a deficient number, since it is larger than the sum of its proper divisors (25120634).

45530986 is a wasteful number, since it uses less digits than its factorization.

45530986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785048.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 45530986 is about 6747.6652258392. The cubic root of 45530986 is about 357.0828714339.

The spelling of 45530986 in words is "forty-five million, five hundred thirty thousand, nine hundred eighty-six".

Divisors: 1 2 29 58 785017 1570034 22765493 45530986