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331825047 = 3293814081
BaseRepresentation
bin10011110001110…
…011111110010111
3212010101110101120
4103301303332113
51134421400142
652532055023
711136315651
oct2361637627
9763343346
10331825047
11160341084
1293164473
13539916a8
14320d96d1
151e1e87ec
hex13c73f97

331825047 has 8 divisors (see below), whose sum is σ = 457689840. Its totient is φ = 213588480.

The previous prime is 331825037. The next prime is 331825051. The reversal of 331825047 is 740528133.

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

It is not a de Polignac number, because 331825047 - 24 = 331825031 is a prime.

It is a super-2 number, since 2×3318250472 = 220215723633104418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331824999 and 331825017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331825007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1906954 + ... + 1907127.

It is an arithmetic number, because the mean of its divisors is an integer number (57211230).

Almost surely, 2331825047 is an apocalyptic number.

331825047 is a deficient number, since it is larger than the sum of its proper divisors (125864793).

331825047 is a wasteful number, since it uses less digits than its factorization.

331825047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814113.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 331825047 is about 18216.0656289990. The cubic root of 331825047 is about 692.3139056926.

The spelling of 331825047 in words is "three hundred thirty-one million, eight hundred twenty-five thousand, forty-seven".

Divisors: 1 3 29 87 3814081 11442243 110608349 331825047