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3890912 = 25121591
BaseRepresentation
bin1110110101111011100000
321022200022212
432311323200
51444002122
6215221252
745033524
oct16657340
97280285
103890912
112218333
121377828
13a6301c
14733d84
1551cce2
hex3b5ee0

3890912 has 12 divisors (see below), whose sum is σ = 7660296. Its totient is φ = 1945440.

The previous prime is 3890879. The next prime is 3890927. The reversal of 3890912 is 2190983.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 121591 = 3890912 / (3 + 8 + 9 + 0 + 9 + 1 + 2).

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 as a sum of consecutive naturals, namely, 60764 + ... + 60827.

It is an arithmetic number, because the mean of its divisors is an integer number (638358).

Almost surely, 23890912 is an apocalyptic number.

3890912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3890912 is a deficient number, since it is larger than the sum of its proper divisors (3769384).

3890912 is a wasteful number, since it uses less digits than its factorization.

3890912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121601 (or 121593 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 3890912 is about 1972.5394799598. The cubic root of 3890912 is about 157.2837310520.

The spelling of 3890912 in words is "three million, eight hundred ninety thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 121591 243182 486364 972728 1945456 3890912