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2542213420 = 225337377183
BaseRepresentation
bin1001011110000111…
…0001100100101100
320120011121211012121
42113201301210230
520201301312140
61100132242324
7116666312635
oct22741614454
96504554177
102542213420
11109501662a
125ab4703a4
133168bc5c6
141a18bc88c
15ed2b864a
hex9787192c

2542213420 has 24 divisors (see below), whose sum is σ = 5354504064. Its totient is φ = 1013865216.

The previous prime is 2542213403. The next prime is 2542213447. The reversal of 2542213420 is 243122452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181852 + ... + 195331.

It is an arithmetic number, because the mean of its divisors is an integer number (223104336).

Almost surely, 22542213420 is an apocalyptic number.

2542213420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542213420 is an abundant number, since it is smaller than the sum of its proper divisors (2812290644).

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

2542213420 is a wasteful number, since it uses less digits than its factorization.

2542213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377529 (or 377527 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2542213420 is about 50420.3671148872. The cubic root of 2542213420 is about 1364.8052014861.

Adding to 2542213420 its reverse (243122452), we get a palindrome (2785335872).

The spelling of 2542213420 in words is "two billion, five hundred forty-two million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 337 674 1348 1685 3370 6740 377183 754366 1508732 1885915 3771830 7543660 127110671 254221342 508442684 635553355 1271106710 2542213420