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182140233 = 31137149173
BaseRepresentation
bin10101101101100…
…11110101001001
3110200201200102120
422312303311021
5333111441413
630023521453
74341111042
oct1266636511
9420650376
10182140233
11938a4720
1250bb9289
132b9730b2
141a2938c9
1510ecc723
hexadb3d49

182140233 has 16 divisors (see below), whose sum is σ = 272093376. Its totient is φ = 107403840.

The previous prime is 182140223. The next prime is 182140241. The reversal of 182140233 is 332041281.

It is not a de Polignac number, because 182140233 - 28 = 182139977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (182140223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73366 + ... + 75807.

It is an arithmetic number, because the mean of its divisors is an integer number (17005836).

Almost surely, 2182140233 is an apocalyptic number.

It is an amenable number.

182140233 is a deficient number, since it is larger than the sum of its proper divisors (89953143).

182140233 is a wasteful number, since it uses less digits than its factorization.

182140233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149224.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 182140233 is about 13495.9339432290. The cubic root of 182140233 is about 566.8506242813.

The spelling of 182140233 in words is "one hundred eighty-two million, one hundred forty thousand, two hundred thirty-three".

Divisors: 1 3 11 33 37 111 407 1221 149173 447519 1640903 4922709 5519401 16558203 60713411 182140233