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1012444322 = 2506222161
BaseRepresentation
bin111100010110001…
…010110010100010
32121120002111111212
4330112022302202
54033141204242
6244244110122
734042430501
oct7426126242
92546074455
101012444322
1147a55344a
12243095342
131319a64a6
149866a838
155dd3d782
hex3c58aca2

1012444322 has 4 divisors (see below), whose sum is σ = 1518666486. Its totient is φ = 506222160.

The previous prime is 1012444313. The next prime is 1012444327. The reversal of 1012444322 is 2234442101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2234442101 = 4423505187.

It can be written as a sum of positive squares in only one way, i.e., 526197721 + 486246601 = 22939^2 + 22051^2 .

It is not an unprimeable number, because it can be changed into a prime (1012444327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253111079 + ... + 253111082.

Almost surely, 21012444322 is an apocalyptic number.

1012444322 is a deficient number, since it is larger than the sum of its proper divisors (506222164).

1012444322 is an equidigital number, since it uses as much as digits as its factorization.

1012444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506222163.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1012444322 is about 31818.9302460029. The cubic root of 1012444322 is about 1004.1310185203.

Adding to 1012444322 its reverse (2234442101), we get a palindrome (3246886423).

The spelling of 1012444322 in words is "one billion, twelve million, four hundred forty-four thousand, three hundred twenty-two".

Divisors: 1 2 506222161 1012444322