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2428940 = 225121447
BaseRepresentation
bin1001010001000000001100
311120101212202
421101000030
51110211230
6124021032
726434313
oct11210014
94511782
102428940
111409998
12991778
13670757
1447327a
1532ea45
hex25100c

2428940 has 12 divisors (see below), whose sum is σ = 5100816. Its totient is φ = 971568.

The previous prime is 2428931. The next prime is 2428991. The reversal of 2428940 is 498242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60704 + ... + 60743.

It is an arithmetic number, because the mean of its divisors is an integer number (425068).

22428940 is an apocalyptic number.

2428940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2428940 is an abundant number, since it is smaller than the sum of its proper divisors (2671876).

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

2428940 is a wasteful number, since it uses less digits than its factorization.

2428940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121456 (or 121454 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2428940 is about 1558.5056945677. The cubic root of 2428940 is about 134.4225910390.

The spelling of 2428940 in words is "two million, four hundred twenty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 121447 242894 485788 607235 1214470 2428940