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394332952 = 231317297691
BaseRepresentation
bin10111100000010…
…000101100011000
31000111000012010011
4113200100230120
51301422123302
6103043531304
712525526516
oct2740205430
91014005104
10394332952
11192655202
12b0089b34
1363909010
143a52b4b6
15249445d7
hex17810b18

394332952 has 64 divisors (see below), whose sum is σ = 872272800. Its totient is φ = 165365760.

The previous prime is 394332949. The next prime is 394332959. The reversal of 394332952 is 259233493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394332959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47427 + ... + 55117.

Almost surely, 2394332952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394332952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436136400).

394332952 is an abundant number, since it is smaller than the sum of its proper divisors (477939848).

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

394332952 is a wasteful number, since it uses less digits than its factorization.

394332952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756 (or 7752 counting only the distinct ones).

The product of its digits is 174960, while the sum is 40.

The square root of 394332952 is about 19857.8184098858. The cubic root of 394332952 is about 733.3101393950.

The spelling of 394332952 in words is "three hundred ninety-four million, three hundred thirty-two thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 17 26 29 34 52 58 68 104 116 136 221 232 377 442 493 754 884 986 1508 1768 1972 3016 3944 6409 7691 12818 15382 25636 30764 51272 61528 99983 130747 199966 223039 261494 399932 446078 522988 799864 892156 1045976 1699711 1784312 2899507 3399422 3791663 5799014 6798844 7583326 11598028 13597688 15166652 23196056 30333304 49291619 98583238 197166476 394332952