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492019812 = 223310742577
BaseRepresentation
bin11101010100111…
…010000001100100
31021021211012022000
4131110322001210
52001424113222
6120453405300
715123046044
oct3524720144
91237735260
10492019812
11232806849
12118939830
137ac1c9ab
14494b9724
152d2dd9ac
hex1d53a064

492019812 has 48 divisors (see below), whose sum is σ = 1287558720. Its totient is φ = 162470016.

The previous prime is 492019799. The next prime is 492019849. The reversal of 492019812 is 218910294.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9733 + ... + 32844.

It is an arithmetic number, because the mean of its divisors is an integer number (26824140).

Almost surely, 2492019812 is an apocalyptic number.

It is an amenable number.

492019812 is an abundant number, since it is smaller than the sum of its proper divisors (795538908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492019812 is a wasteful number, since it uses less digits than its factorization.

492019812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42697 (or 42689 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 492019812 is about 22181.5196052931. The cubic root of 492019812 is about 789.4552736844.

The spelling of 492019812 in words is "four hundred ninety-two million, nineteen thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 107 108 214 321 428 642 963 1284 1926 2889 3852 5778 11556 42577 85154 127731 170308 255462 383193 510924 766386 1149579 1532772 2299158 4555739 4598316 9111478 13667217 18222956 27334434 41001651 54668868 82003302 123004953 164006604 246009906 492019812