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520474045 = 571353113191
BaseRepresentation
bin11111000001011…
…100110110111101
31100021100211011111
4133001130312331
52031220132140
6123351322021
715616646020
oct3701346675
91307324144
10520474045
11247880943
12126380311
1383aa3210
144d1a51b7
1530a5e7ea
hex1f05cdbd

520474045 has 64 divisors (see below), whose sum is σ = 794271744. Its totient is φ = 318689280.

The previous prime is 520474043. The next prime is 520474051. The reversal of 520474045 is 540474025.

It is not a de Polignac number, because 520474045 - 21 = 520474043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520473998 and 520474016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520474043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2724900 + ... + 2725090.

It is an arithmetic number, because the mean of its divisors is an integer number (12410496).

Almost surely, 2520474045 is an apocalyptic number.

It is an amenable number.

520474045 is a deficient number, since it is larger than the sum of its proper divisors (273797699).

520474045 is a wasteful number, since it uses less digits than its factorization.

520474045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 520474045 is about 22813.9002583951. The cubic root of 520474045 is about 804.3894371086.

The spelling of 520474045 in words is "five hundred twenty million, four hundred seventy-four thousand, forty-five".

Divisors: 1 5 7 13 35 53 65 91 113 191 265 371 455 565 689 791 955 1337 1469 1855 2483 3445 3955 4823 5989 6685 7345 10123 10283 12415 17381 21583 24115 29945 41923 50615 51415 70861 77857 86905 107915 131599 151081 209615 280579 354305 389285 544999 657995 755405 921193 1143899 1402895 1964053 2724995 4605965 5719495 8007293 9820265 14870687 40036465 74353435 104094809 520474045