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2940940 = 225147047
BaseRepresentation
bin1011001110000000001100
312112102012201
423032000030
51223102230
6143011244
733666112
oct13160014
95472181
102940940
111729632
12b99b24
137bc802
14567ab2
153d15ca
hex2ce00c

2940940 has 12 divisors (see below), whose sum is σ = 6176016. Its totient is φ = 1176368.

The previous prime is 2940937. The next prime is 2940947. The reversal of 2940940 is 490492.

It is a junction number, because it is equal to n+sod(n) for n = 2940899 and 2940908.

It is not an unprimeable number, because it can be changed into a prime (2940947) 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, 73504 + ... + 73543.

It is an arithmetic number, because the mean of its divisors is an integer number (514668).

22940940 is an apocalyptic number.

2940940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2940940 is an abundant number, since it is smaller than the sum of its proper divisors (3235076).

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

2940940 is a wasteful number, since it uses less digits than its factorization.

2940940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147056 (or 147054 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2940940 is about 1714.9169076081. The cubic root of 2940940 is about 143.2722412564.

The spelling of 2940940 in words is "two million, nine hundred forty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 147047 294094 588188 735235 1470470 2940940