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564026121 = 32312021599
BaseRepresentation
bin100001100111100…
…101101100001001
31110022022111101100
4201213211230021
52123342313441
6131545012013
716656100011
oct4147455411
91408274340
10564026121
1126a41819a
12138a84009
138cb11789
1454ca0c41
15347b3cb6
hex219e5b09

564026121 has 12 divisors (see below), whose sum is σ = 840985600. Its totient is φ = 363887640.

The previous prime is 564026107. The next prime is 564026131. The reversal of 564026121 is 121620465.

564026121 is a `hidden beast` number, since 5 + 6 + 40 + 2 + 612 + 1 = 666.

It is not a de Polignac number, because 564026121 - 27 = 564025993 is a prime.

It is a super-3 number, since 3×5640261213 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (564026101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010521 + ... + 1011078.

Almost surely, 2564026121 is an apocalyptic number.

It is an amenable number.

564026121 is a deficient number, since it is larger than the sum of its proper divisors (276959479).

564026121 is a wasteful number, since it uses less digits than its factorization.

564026121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021636 (or 2021633 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 564026121 is about 23749.2341139667. The cubic root of 564026121 is about 826.2276774287.

Adding to 564026121 its reverse (121620465), we get a palindrome (685646586).

The spelling of 564026121 in words is "five hundred sixty-four million, twenty-six thousand, one hundred twenty-one".

Divisors: 1 3 9 31 93 279 2021599 6064797 18194391 62669569 188008707 564026121