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3849140 = 2251711321
BaseRepresentation
bin1110101011101110110100
321020120000202
432223232310
51441133030
6214300032
744500661
oct16535664
97216022
103849140
112199a09
121357618
13a49cc9
14722a68
15510745
hex3abbb4

3849140 has 24 divisors (see below), whose sum is σ = 8559432. Its totient is φ = 1448960.

The previous prime is 3849137. The next prime is 3849143. The reversal of 3849140 is 419483.

It is an interprime number because it is at equal distance from previous prime (3849137) and next prime (3849143).

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 3671056 = 422^2 + 1916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5321 + ... + 6000.

It is an arithmetic number, because the mean of its divisors is an integer number (356643).

Almost surely, 23849140 is an apocalyptic number.

It is an amenable number.

3849140 is an abundant number, since it is smaller than the sum of its proper divisors (4710292).

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

3849140 is a wasteful number, since it uses less digits than its factorization.

3849140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347 (or 11345 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3849140 is about 1961.9225265030. The cubic root of 3849140 is about 156.7188498769.

The spelling of 3849140 in words is "three million, eight hundred forty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 11321 22642 45284 56605 113210 192457 226420 384914 769828 962285 1924570 3849140