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2940220 = 225147011
BaseRepresentation
bin1011001101110100111100
312112101020001
423031310330
51223041340
6143004044
733664033
oct13156474
95471201
102940220
111729038
12b99624
137bc39a
1456771a
153d129a
hex2cdd3c

2940220 has 12 divisors (see below), whose sum is σ = 6174504. Its totient is φ = 1176080.

The previous prime is 2940187. The next prime is 2940229. The reversal of 2940220 is 220492.

It is a happy number.

2940220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940229) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 73486 + ... + 73525.

It is an arithmetic number, because the mean of its divisors is an integer number (514542).

22940220 is an apocalyptic number.

2940220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2940220 is an abundant number, since it is smaller than the sum of its proper divisors (3234284).

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

2940220 is a wasteful number, since it uses less digits than its factorization.

2940220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147020 (or 147018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2940220 is about 1714.7069720509. The cubic root of 2940220 is about 143.2605483472.

It can be divided in two parts, 2940 and 220, that added together give a triangular number (3160 = T79).

The spelling of 2940220 in words is "two million, nine hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 147011 294022 588044 735055 1470110 2940220