Search a number
-
+
564157745 = 5412751989
BaseRepresentation
bin100001101000000…
…101110100110001
31110022120011221022
4201220011310301
52123411021440
6131551505225
716660155524
oct4150056461
91408504838
10564157745
1126a4a8078
12138b28215
138cb59668
1454cd6bbb
15347dccb5
hex21a05d31

564157745 has 8 divisors (see below), whose sum is σ = 693501480. Its totient is φ = 440318080.

The previous prime is 564157717. The next prime is 564157787. The reversal of 564157745 is 547751465.

It can be written as a sum of positive squares in 4 ways, for example, as 85248289 + 478909456 = 9233^2 + 21884^2 .

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

It is not a de Polignac number, because 564157745 - 224 = 547380529 is a prime.

It is a super-2 number, since 2×5641577452 = 636547922486970050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 564157696 and 564157705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375790 + ... + 1376199.

It is an arithmetic number, because the mean of its divisors is an integer number (86687685).

Almost surely, 2564157745 is an apocalyptic number.

It is an amenable number.

564157745 is a deficient number, since it is larger than the sum of its proper divisors (129343735).

564157745 is a wasteful number, since it uses less digits than its factorization.

564157745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752035.

The product of its digits is 588000, while the sum is 44.

The square root of 564157745 is about 23752.0050732564. The cubic root of 564157745 is about 826.2919433254.

The spelling of 564157745 in words is "five hundred sixty-four million, one hundred fifty-seven thousand, seven hundred forty-five".

Divisors: 1 5 41 205 2751989 13759945 112831549 564157745