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3345620 = 2254092
BaseRepresentation
bin1100110000110011010100
320021222022212
430300303110
51324024440
6155412552
740302665
oct14606324
96258285
103345620
111985683
121154158
13901a75
1463136c
15461465
hex330cd4

3345620 has 18 divisors (see below), whose sum is σ = 7043022. Its totient is φ = 1334976.

The previous prime is 3345611. The next prime is 3345659. The reversal of 3345620 is 265433.

It can be written as a sum of positive squares in 3 ways, for example, as 1752976 + 1592644 = 1324^2 + 1262^2 .

It is a super-2 number, since 2×33456202 = 22386346368800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7976 + ... + 8384.

It is an arithmetic number, because the mean of its divisors is an integer number (391279).

Almost surely, 23345620 is an apocalyptic number.

It is an amenable number.

3345620 is an abundant number, since it is smaller than the sum of its proper divisors (3697402).

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

3345620 is an equidigital number, since it uses as much as digits as its factorization.

3345620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3345620 is about 1829.1036055948. The cubic root of 3345620 is about 149.5634715928.

The spelling of 3345620 in words is "three million, three hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 409 818 1636 2045 4090 8180 167281 334562 669124 836405 1672810 3345620