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2321986969 = 481872
BaseRepresentation
bin1000101001100110…
…1011010110011001
312222211020011022101
42022121223112121
514223412040334
61022224123401
7111353364211
oct21231532631
95884204271
102321986969
11a917791a5
12549766561
132b00a2ab3
14180553241
15d8cb6214
hex8a66b599

2321986969 has 3 divisors (see below), whose sum is σ = 2322035157. Its totient is φ = 2321938782.

The previous prime is 2321986967. The next prime is 2321986981. The reversal of 2321986969 is 9696891232.

It is a happy number.

The square root of 2321986969 is 48187.

It is a perfect power (a square), and thus also a powerful number.

2321986969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2321986969 - 21 = 2321986967 is a prime.

It is a super-2 number, since 2×23219869692 = 10783246968411613922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321986963) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24094 + ... + 72280.

It is an arithmetic number, because the mean of its divisors is an integer number (774011719).

Almost surely, 22321986969 is an apocalyptic number.

2321986969 is the 48187-th square number.

2321986969 is the 24094-th centered octagonal number.

It is an amenable number.

2321986969 is a deficient number, since it is larger than the sum of its proper divisors (48188).

2321986969 is an frugal number, since it uses more digits than its factorization.

2321986969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96374 (or 48187 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The cubic root of 2321986969 is about 1324.1990116006.

The spelling of 2321986969 in words is "two billion, three hundred twenty-one million, nine hundred eighty-six thousand, nine hundred sixty-nine".

Divisors: 1 48187 2321986969