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1238941441 = 11031123247
BaseRepresentation
bin100100111011000…
…1011111100000001
310012100021202011001
41021312023330001
510014132111231
6322534452001
742462554113
oct11166137401
93170252131
101238941441
11586394051
122a6b04001
131698aa25a
14ba7893b3
1573b7db61
hex49d8bf01

1238941441 has 4 divisors (see below), whose sum is σ = 1240065792. Its totient is φ = 1237817092.

The previous prime is 1238941427. The next prime is 1238941463. The reversal of 1238941441 is 1441498321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1441498321 = 11931208297.

It is a cyclic number.

It is not a de Polignac number, because 1238941441 - 211 = 1238939393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1238941441.

It is not an unprimeable number, because it can be changed into a prime (1238941481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560521 + ... + 562726.

It is an arithmetic number, because the mean of its divisors is an integer number (310016448).

Almost surely, 21238941441 is an apocalyptic number.

It is an amenable number.

1238941441 is a deficient number, since it is larger than the sum of its proper divisors (1124351).

1238941441 is a wasteful number, since it uses less digits than its factorization.

1238941441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124350.

The product of its digits is 27648, while the sum is 37.

The square root of 1238941441 is about 35198.5999863631. The cubic root of 1238941441 is about 1074.0312718106.

The spelling of 1238941441 in words is "one billion, two hundred thirty-eight million, nine hundred forty-one thousand, four hundred forty-one".

Divisors: 1 1103 1123247 1238941441