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2040022242 = 232641176809
BaseRepresentation
bin111100110011000…
…0100010011100010
312021011122212102100
41321212010103202
513134221202432
6534232431230
7101360621466
oct17146042342
95234585370
102040022242
119575a29a5
1248b248516
1326684b06b
14154d164a6
15be16b07c
hex799844e2

2040022242 has 24 divisors (see below), whose sum is σ = 4426968780. Its totient is φ = 678942720.

The previous prime is 2040022217. The next prime is 2040022249. The reversal of 2040022242 is 2422200402.

2040022242 is a `hidden beast` number, since 2 + 0 + 400 + 22 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1816549641 + 223472601 = 42621^2 + 14949^2 .

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 (2040022249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76867 + ... + 99942.

Almost surely, 22040022242 is an apocalyptic number.

2040022242 is an abundant number, since it is smaller than the sum of its proper divisors (2386946538).

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

2040022242 is a wasteful number, since it uses less digits than its factorization.

2040022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177458 (or 177455 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2040022242 is about 45166.6053849523. The cubic root of 2040022242 is about 1268.2697503337.

Adding to 2040022242 its reverse (2422200402), we get a palindrome (4462222644).

The spelling of 2040022242 in words is "two billion, forty million, twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 641 1282 1923 3846 5769 11538 176809 353618 530427 1060854 1591281 3182562 113334569 226669138 340003707 680007414 1020011121 2040022242