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531492056 = 23531253519
BaseRepresentation
bin11111101011011…
…110110011011000
31101001002121000222
4133223132303120
52042030221211
6124423415212
716112415344
oct3753366330
91331077028
10531492056
11253016937
12129bb4508
1386160254
1450832624
15319d91db
hex1fadecd8

531492056 has 16 divisors (see below), whose sum is σ = 1015351200. Its totient is φ = 260731744.

The previous prime is 531492047. The next prime is 531492107. The reversal of 531492056 is 650294135.

It is a super-2 number, since 2×5314920562 = 564967611182214272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626336 + ... + 627183.

It is an arithmetic number, because the mean of its divisors is an integer number (63459450).

Almost surely, 2531492056 is an apocalyptic number.

It is an amenable number.

531492056 is a deficient number, since it is larger than the sum of its proper divisors (483859144).

531492056 is a wasteful number, since it uses less digits than its factorization.

531492056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253578 (or 1253574 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 531492056 is about 23054.1114771314. Note that the first 3 decimals coincide. The cubic root of 531492056 is about 810.0259383047.

The spelling of 531492056 in words is "five hundred thirty-one million, four hundred ninety-two thousand, fifty-six".

Divisors: 1 2 4 8 53 106 212 424 1253519 2507038 5014076 10028152 66436507 132873014 265746028 531492056