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2045100422 = 21022550211
BaseRepresentation
bin111100111100101…
…1100000110000110
312021112012212101002
41321321130012012
513142021203142
6534533333302
7101452031621
oct17171340606
95245185332
102045100422
1195a451242
12490a97232
132679085c1
14155878db8
15be820a32
hex79e5c186

2045100422 has 4 divisors (see below), whose sum is σ = 3067650636. Its totient is φ = 1022550210.

The previous prime is 2045100403. The next prime is 2045100427. The reversal of 2045100422 is 2240015402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2045100394 and 2045100403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045100427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511275104 + ... + 511275107.

It is an arithmetic number, because the mean of its divisors is an integer number (766912659).

Almost surely, 22045100422 is an apocalyptic number.

2045100422 is a deficient number, since it is larger than the sum of its proper divisors (1022550214).

2045100422 is a wasteful number, since it uses less digits than its factorization.

2045100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022550213.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2045100422 is about 45222.7865351086. The cubic root of 2045100422 is about 1269.3212364829.

Adding to 2045100422 its reverse (2240015402), we get a palindrome (4285115824).

The spelling of 2045100422 in words is "two billion, forty-five million, one hundred thousand, four hundred twenty-two".

Divisors: 1 2 1022550211 2045100422