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182830933 = 237949171
BaseRepresentation
bin10101110010111…
…00011101010101
3110202000202220001
422321130131111
5333301042213
630050411301
74350015535
oct1271343525
9422022801
10182830933
119422664a
1251290b31
132bb555ac
141a3d34c5
15110b71dd
hexae5c755

182830933 has 4 divisors (see below), whose sum is σ = 190780128. Its totient is φ = 174881740.

The previous prime is 182830927. The next prime is 182830957. The reversal of 182830933 is 339038281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 339038281 = 411182471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-182830933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 182830892 and 182830901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182830913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974563 + ... + 3974608.

It is an arithmetic number, because the mean of its divisors is an integer number (47695032).

Almost surely, 2182830933 is an apocalyptic number.

It is an amenable number.

182830933 is a deficient number, since it is larger than the sum of its proper divisors (7949195).

182830933 is an equidigital number, since it uses as much as digits as its factorization.

182830933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949194.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 182830933 is about 13521.4989183892. The cubic root of 182830933 is about 567.5662447978.

It can be divided in two parts, 1828 and 30933, that added together give a square (32761 = 1812).

The spelling of 182830933 in words is "one hundred eighty-two million, eight hundred thirty thousand, nine hundred thirty-three".

Divisors: 1 23 7949171 182830933