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394880050 = 2527897601
BaseRepresentation
bin10111100010010…
…110010000110010
31000112000222121001
4113202112100302
51302042130200
6103103352214
712533265535
oct2742262062
91015028531
10394880050
11192999254
12b02b266a
1363a6b046
143a630a1c
1524a0176a
hex17896432

394880050 has 12 divisors (see below), whose sum is σ = 734476986. Its totient is φ = 157952000.

The previous prime is 394880047. The next prime is 394880081. The reversal of 394880050 is 50088493.

It can be written as a sum of positive squares in 3 ways, for example, as 365536161 + 29343889 = 19119^2 + 5417^2 .

It is a junction number, because it is equal to n+sod(n) for n = 394879991 and 394880009.

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 5 ways as a sum of consecutive naturals, for example, 3948751 + ... + 3948850.

Almost surely, 2394880050 is an apocalyptic number.

394880050 is a deficient number, since it is larger than the sum of its proper divisors (339596936).

394880050 is a wasteful number, since it uses less digits than its factorization.

394880050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897613 (or 7897608 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 394880050 is about 19871.5890154763. The cubic root of 394880050 is about 733.6491144609.

The spelling of 394880050 in words is "three hundred ninety-four million, eight hundred eighty thousand, fifty".

Divisors: 1 2 5 10 25 50 7897601 15795202 39488005 78976010 197440025 394880050