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2099412 = 223372777
BaseRepresentation
bin1000000000100011010100
310221122212000
420000203110
51014140122
6112555300
723562510
oct10004324
93848760
102099412
111204357
12852b30
13586773
143c9140
152b70ac
hex2008d4

2099412 has 48 divisors (see below), whose sum is σ = 6222720. Its totient is φ = 599616.

The previous prime is 2099411. The next prime is 2099431. The reversal of 2099412 is 2149902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (129640).

22099412 is an apocalyptic number.

It is an amenable number.

2099412 is an abundant number, since it is smaller than the sum of its proper divisors (4123308).

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

2099412 is a wasteful number, since it uses less digits than its factorization.

2099412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2099412 is about 1448.9347811410. The cubic root of 2099412 is about 128.0459633108.

The spelling of 2099412 in words is "two million, ninety-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 2777 5554 8331 11108 16662 19439 24993 33324 38878 49986 58317 74979 77756 99972 116634 149958 174951 233268 299916 349902 524853 699804 1049706 2099412