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2120292 = 223258897
BaseRepresentation
bin1000000101101001100100
310222201111100
420011221210
51020322132
6113240100
724010416
oct10055144
93881440
102120292
111219009
12863030
13593115
143d29b6
152bd37c
hex205a64

2120292 has 18 divisors (see below), whose sum is σ = 5359718. Its totient is φ = 706752.

The previous prime is 2120269. The next prime is 2120297. The reversal of 2120292 is 2920212.

It can be written as a sum of positive squares in only one way, i.e., 1454436 + 665856 = 1206^2 + 816^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2120297) 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, 29413 + ... + 29484.

22120292 is an apocalyptic number.

It is an amenable number.

2120292 is an abundant number, since it is smaller than the sum of its proper divisors (3239426).

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

2120292 is a wasteful number, since it uses less digits than its factorization.

2120292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58907 (or 58902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2120292 is about 1456.1222476152. The cubic root of 2120292 is about 128.4690634949.

The spelling of 2120292 in words is "two million, one hundred twenty thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 58897 117794 176691 235588 353382 530073 706764 1060146 2120292