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2099268 = 223258313
BaseRepresentation
bin1000000000100001000100
310221122122200
420000201010
51014134033
6112554500
723562213
oct10004104
93848580
102099268
111204236
12852a30
13586692
143c907a
152b7013
hex200844

2099268 has 18 divisors (see below), whose sum is σ = 5306574. Its totient is φ = 699744.

The previous prime is 2099263. The next prime is 2099287. The reversal of 2099268 is 8629902.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 161604 = 1392^2 + 402^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×20992682 = 8813852271648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 58313 = 2099268 / (2 + 0 + 9 + 9 + 2 + 6 + 8).

It is a d-powerful number, because it can be written as 2 + 0 + 92 + 93 + 221 + 64 + 8 .

It is not an unprimeable number, because it can be changed into a prime (2099263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29121 + ... + 29192.

22099268 is an apocalyptic number.

It is an amenable number.

2099268 is an abundant number, since it is smaller than the sum of its proper divisors (3207306).

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

2099268 is a wasteful number, since it uses less digits than its factorization.

2099268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58323 (or 58318 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2099268 is about 1448.8850886112. The cubic root of 2099268 is about 128.0430356593.

The spelling of 2099268 in words is "two million, ninety-nine thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 58313 116626 174939 233252 349878 524817 699756 1049634 2099268