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182872313 = 1353265417
BaseRepresentation
bin10101110011001…
…10100011111001
3110202002212122122
422321212203321
5333303403223
630051331025
74350250301
oct1271464371
9422085578
10182872313
1194254748
12512b0a75
132bb6b390
141a404601
15110c45c8
hexae668f9

182872313 has 8 divisors (see below), whose sum is σ = 200656008. Its totient is φ = 165619584.

The previous prime is 182872273. The next prime is 182872337. The reversal of 182872313 is 313278281.

It can be written as a sum of positive squares in 4 ways, for example, as 27321529 + 155550784 = 5227^2 + 12472^2 .

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

It is not a de Polignac number, because 182872313 - 210 = 182871289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182842313) 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, 132020 + ... + 133397.

It is an arithmetic number, because the mean of its divisors is an integer number (25082001).

Almost surely, 2182872313 is an apocalyptic number.

182872313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

182872313 is a deficient number, since it is larger than the sum of its proper divisors (17783695).

182872313 is a wasteful number, since it uses less digits than its factorization.

182872313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265483.

The product of its digits is 16128, while the sum is 35.

The square root of 182872313 is about 13523.0289876196. The cubic root of 182872313 is about 567.6090605278.

The spelling of 182872313 in words is "one hundred eighty-two million, eight hundred seventy-two thousand, three hundred thirteen".

Divisors: 1 13 53 689 265417 3450421 14067101 182872313