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2438656572 = 2231118474671
BaseRepresentation
bin1001000101011010…
…1111001000111100
320021221202120220210
42101112233020330
514443244002242
61041552512420
7114301144632
oct22126571074
96257676823
102438656572
111041615860
1258084b710
132cb301b71
14191c43352
15e415ed9c
hex915af23c

2438656572 has 24 divisors (see below), whose sum is σ = 6207489792. Its totient is φ = 738986800.

The previous prime is 2438656567. The next prime is 2438656573. The reversal of 2438656572 is 2756568342.

2438656572 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438656573) 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, 9237204 + ... + 9237467.

It is an arithmetic number, because the mean of its divisors is an integer number (258645408).

Almost surely, 22438656572 is an apocalyptic number.

2438656572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2438656572 is an abundant number, since it is smaller than the sum of its proper divisors (3768833220).

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

2438656572 is a wasteful number, since it uses less digits than its factorization.

2438656572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18474689 (or 18474687 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The square root of 2438656572 is about 49382.7558161753. The cubic root of 2438656572 is about 1346.0159765602.

The spelling of 2438656572 in words is "two billion, four hundred thirty-eight million, six hundred fifty-six thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 18474671 36949342 55424013 73898684 110848026 203221381 221696052 406442762 609664143 812885524 1219328286 2438656572