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2543223452 = 227118257219
BaseRepresentation
bin1001011110010110…
…1000001010011100
320120020112010201012
42113211220022130
520202031122302
61100210034352
7120011020430
oct22745501234
96506463635
102543223452
111095646470
125ab8789b8
13316b84263
141a1aa29c0
15ed417a52
hex9796829c

2543223452 has 24 divisors (see below), whose sum is σ = 5548851840. Its totient is φ = 990866160.

The previous prime is 2543223451. The next prime is 2543223457.

2543223452 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543223451) 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, 4128302 + ... + 4128917.

It is an arithmetic number, because the mean of its divisors is an integer number (231202160).

Almost surely, 22543223452 is an apocalyptic number.

2543223452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2543223452 is an abundant number, since it is smaller than the sum of its proper divisors (3005628388).

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

2543223452 is a wasteful number, since it uses less digits than its factorization.

2543223452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257241 (or 8257239 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 2543223452 is about 50430.3822313494. The cubic root of 2543223452 is about 1364.9859251546.

It can be divided in two parts, 25432 and 23452, that added together give a palindrome (48884).

The spelling of 2543223452 in words is "two billion, five hundred forty-three million, two hundred twenty-three thousand, four hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 8257219 16514438 33028876 57800533 90829409 115601066 181658818 231202132 363317636 635805863 1271611726 2543223452