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570045942 = 232195233187
BaseRepresentation
bin100001111110100…
…011010111110110
31110201122100000200
4201332203113312
52131412432232
6132322021330
720061211344
oct4176432766
91421570020
10570045942
11272859a54
1213aaa7846
139113b7bb
14559ca994
15350a277c
hex21fa35f6

570045942 has 48 divisors (see below), whose sum is σ = 1302999360. Its totient is φ = 179613936.

The previous prime is 570045937. The next prime is 570045943. The reversal of 570045942 is 249540075.

570045942 is a `hidden beast` number, since 570 + 0 + 45 + 9 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 570045897 and 570045906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (570045943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177273 + ... + 180459.

It is an arithmetic number, because the mean of its divisors is an integer number (27145820).

Almost surely, 2570045942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 570045942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651499680).

570045942 is an abundant number, since it is smaller than the sum of its proper divisors (732953418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

570045942 is a wasteful number, since it uses less digits than its factorization.

570045942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737 (or 3734 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 570045942 is about 23875.6349025529. The cubic root of 570045942 is about 829.1567096650.

The spelling of 570045942 in words is "five hundred seventy million, forty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 523 1046 1569 3138 3187 4707 6374 9414 9561 9937 19122 19874 28683 29811 57366 59622 60553 89433 121106 178866 181659 363318 544977 1089954 1666801 3333602 5000403 10000806 15001209 30002418 31669219 63338438 95007657 190015314 285022971 570045942