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383874428 = 22726612963
BaseRepresentation
bin10110111000010…
…111010101111100
3222202022211201102
4112320113111330
51241232440203
6102031432232
712340610300
oct2670272574
9882284642
10383874428
111877615a3
12a8685678
13616b6842
1438da7d00
1523a7a888
hex16e1757c

383874428 has 36 divisors (see below), whose sum is σ = 782905032. Its totient is φ = 164213280.

The previous prime is 383874367. The next prime is 383874443. The reversal of 383874428 is 824478383.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128075 + ... + 131037.

It is an arithmetic number, because the mean of its divisors is an integer number (21747362).

Almost surely, 2383874428 is an apocalyptic number.

It is an amenable number.

383874428 is an abundant number, since it is smaller than the sum of its proper divisors (399030604).

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

383874428 is a wasteful number, since it uses less digits than its factorization.

383874428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642 (or 3633 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The square root of 383874428 is about 19592.7136456388. The cubic root of 383874428 is about 726.7689995134.

The spelling of 383874428 in words is "three hundred eighty-three million, eight hundred seventy-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 661 1322 2644 2963 4627 5926 9254 11852 18508 20741 32389 41482 64778 82964 129556 145187 290374 580748 1958543 3917086 7834172 13709801 27419602 54839204 95968607 191937214 383874428