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2944420 = 225147221
BaseRepresentation
bin1011001110110110100100
312112120222121
423032312210
51223210140
6143035324
734012213
oct13166644
95476877
102944420
111731206
12b9bb44
137c127b
1456907a
153d264a
hex2ceda4

2944420 has 12 divisors (see below), whose sum is σ = 6183324. Its totient is φ = 1177760.

The previous prime is 2944397. The next prime is 2944427. The reversal of 2944420 is 244492.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 1542564 = 1184^2 + 1242^2 .

It is not an unprimeable number, because it can be changed into a prime (2944427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73591 + ... + 73630.

It is an arithmetic number, because the mean of its divisors is an integer number (515277).

22944420 is an apocalyptic number.

2944420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2944420 is an abundant number, since it is smaller than the sum of its proper divisors (3238904).

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

2944420 is a wasteful number, since it uses less digits than its factorization.

2944420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147230 (or 147228 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2944420 is about 1715.9312340534. The cubic root of 2944420 is about 143.3287300967.

It can be divided in two parts, 2944 and 420, that added together give a square (3364 = 582).

The spelling of 2944420 in words is "two million, nine hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 147221 294442 588884 736105 1472210 2944420