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2078988 = 223173249
BaseRepresentation
bin111111011100100001100
310220121211120
413323210030
51013011423
6112320540
723446122
oct7734414
93817746
102078988
11119aa7a
12843150
1357a392
143c1912
152b0ee3
hex1fb90c

2078988 has 12 divisors (see below), whose sum is σ = 4851000. Its totient is φ = 692992.

The previous prime is 2078977. The next prime is 2079013. The reversal of 2078988 is 8898702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20789882 = 8644382208288, which contains 22 as substring.

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, 86613 + ... + 86636.

It is an arithmetic number, because the mean of its divisors is an integer number (404250).

22078988 is an apocalyptic number.

It is an amenable number.

2078988 is an abundant number, since it is smaller than the sum of its proper divisors (2772012).

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

2078988 is a wasteful number, since it uses less digits than its factorization.

2078988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173256 (or 173254 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 2078988 is about 1441.8696196259. The cubic root of 2078988 is about 127.6293803933.

The spelling of 2078988 in words is "two million, seventy-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 173249 346498 519747 692996 1039494 2078988