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394472485 = 51119073761
BaseRepresentation
bin10111100000110…
…010110000100101
31000111021021112001
4113200302300211
51301441104420
6103050525301
712526650361
oct2740626045
91014237461
10394472485
11192740020
12b0136831
1363957694
143a5662a1
1524970b0a
hex17832c25

394472485 has 16 divisors (see below), whose sum is σ = 516808512. Its totient is φ = 286662400.

The previous prime is 394472473. The next prime is 394472531. The reversal of 394472485 is 584274493.

It is a happy number.

It is not a de Polignac number, because 394472485 - 217 = 394341413 is a prime.

It is a congruent number.

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, 103005 + ... + 106765.

It is an arithmetic number, because the mean of its divisors is an integer number (32300532).

Almost surely, 2394472485 is an apocalyptic number.

It is an amenable number.

394472485 is a deficient number, since it is larger than the sum of its proper divisors (122336027).

394472485 is a wasteful number, since it uses less digits than its factorization.

394472485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684.

The product of its digits is 967680, while the sum is 46.

The square root of 394472485 is about 19861.3314004877. The cubic root of 394472485 is about 733.3966220631.

The spelling of 394472485 in words is "three hundred ninety-four million, four hundred seventy-two thousand, four hundred eighty-five".

Divisors: 1 5 11 55 1907 3761 9535 18805 20977 41371 104885 206855 7172227 35861135 78894497 394472485