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2892040 = 235174253
BaseRepresentation
bin1011000010000100001000
312102221010121
423002010020
51220021130
6141553024
733403414
oct13020410
95387117
102892040
1116a5918
12b75774
137a3488
14553d44
153c1d7a
hex2c2108

2892040 has 32 divisors (see below), whose sum is σ = 6891480. Its totient is φ = 1088512.

The previous prime is 2892037. The next prime is 2892049. The reversal of 2892040 is 402982.

It can be written as a sum of positive squares in 4 ways, for example, as 2114116 + 777924 = 1454^2 + 882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2891996 and 2892014.

It is not an unprimeable number, because it can be changed into a prime (2892049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447 + ... + 2806.

22892040 is an apocalyptic number.

2892040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2892040 is an abundant number, since it is smaller than the sum of its proper divisors (3999440).

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

2892040 is a wasteful number, since it uses less digits than its factorization.

2892040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2892040 is about 1700.5998941550. The cubic root of 2892040 is about 142.4737204027.

The spelling of 2892040 in words is "two million, eight hundred ninety-two thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 4253 8506 17012 21265 34024 42530 72301 85060 144602 170120 289204 361505 578408 723010 1446020 2892040