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1020560189 = 11127730537
BaseRepresentation
bin111100110101001…
…000001100111101
32122010100211101112
4330311020030331
54042230411224
6245134051405
734201422065
oct7465101475
92563324345
101020560189
11484096a80
12245949b65
1313358858c
14997803a5
155e8e330e
hex3cd4833d

1020560189 has 8 divisors (see below), whose sum is σ = 1122106368. Its totient is φ = 920475360.

The previous prime is 1020560179. The next prime is 1020560197. The reversal of 1020560189 is 9810650201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020560189 - 216 = 1020494653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020560179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363872 + ... + 366665.

It is an arithmetic number, because the mean of its divisors is an integer number (140263296).

Almost surely, 21020560189 is an apocalyptic number.

It is an amenable number.

1020560189 is a deficient number, since it is larger than the sum of its proper divisors (101546179).

1020560189 is a wasteful number, since it uses less digits than its factorization.

1020560189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730675.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1020560189 is about 31946.2077405128. The cubic root of 1020560189 is about 1006.8069565433.

The spelling of 1020560189 in words is "one billion, twenty million, five hundred sixty thousand, one hundred eighty-nine".

Divisors: 1 11 127 1397 730537 8035907 92778199 1020560189