Search a number
-
+
45856761 = 315285587
BaseRepresentation
bin1010111011101…
…1011111111001
310012021202122120
42232323133321
543214404021
64314511453
71064530116
oct256733771
9105252576
1045856761
1123980955
1213435589
1396675a2
14613990d
15405c2c6
hex2bbb7f9

45856761 has 4 divisors (see below), whose sum is σ = 61142352. Its totient is φ = 30571172.

The previous prime is 45856739. The next prime is 45856763. The reversal of 45856761 is 16765854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45856761 - 25 = 45856729 is a prime.

It is a super-2 number, since 2×458567612 = 4205685058822242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (45856763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7642791 + ... + 7642796.

It is an arithmetic number, because the mean of its divisors is an integer number (15285588).

Almost surely, 245856761 is an apocalyptic number.

It is an amenable number.

45856761 is a deficient number, since it is larger than the sum of its proper divisors (15285591).

45856761 is a wasteful number, since it uses less digits than its factorization.

45856761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285590.

The product of its digits is 201600, while the sum is 42.

The square root of 45856761 is about 6771.7620306682. The cubic root of 45856761 is about 357.9324930191.

The spelling of 45856761 in words is "forty-five million, eight hundred fifty-six thousand, seven hundred sixty-one".

Divisors: 1 3 15285587 45856761