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2122444242 = 23339304523
BaseRepresentation
bin111111010000001…
…1110110111010010
312110220202100011000
41332200132313102
513321321203432
6550335202430
7103411323042
oct17640366722
95426670130
102122444242
1199a078856
124b2976416
1327a948989
14161c4d722
15c64ec57c
hex7e81edd2

2122444242 has 16 divisors (see below), whose sum is σ = 4716542880. Its totient is φ = 707481396.

The previous prime is 2122444231. The next prime is 2122444243. The reversal of 2122444242 is 2424442212.

2122444242 is a `hidden beast` number, since 212 + 2 + 4 + 442 + 4 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2122444243) 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, 19652208 + ... + 19652315.

It is an arithmetic number, because the mean of its divisors is an integer number (294783930).

Almost surely, 22122444242 is an apocalyptic number.

2122444242 is an abundant number, since it is smaller than the sum of its proper divisors (2594098638).

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

2122444242 is a wasteful number, since it uses less digits than its factorization.

2122444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39304534 (or 39304528 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 2122444242 is about 46069.9928586927. The cubic root of 2122444242 is about 1285.1251710293.

Adding to 2122444242 its reverse (2424442212), we get a palindrome (4546886454).

The spelling of 2122444242 in words is "two billion, one hundred twenty-two million, four hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 39304523 78609046 117913569 235827138 353740707 707481414 1061222121 2122444242