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44848421 = 118737783
BaseRepresentation
bin1010101100010…
…1010100100101
310010101112110122
42223011110211
542440122141
64241131325
71053130262
oct253052445
9103345418
1044848421
1123352312
1213029b45
1393a3637
145d56269
153e0d64b
hex2ac5525

44848421 has 4 divisors (see below), whose sum is σ = 44887392. Its totient is φ = 44809452.

The previous prime is 44848409. The next prime is 44848511. The reversal of 44848421 is 12484844.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44848421 is a prime.

It is a super-2 number, since 2×448484212 = 4022761732386482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44845421) 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, 17705 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (11221848).

Almost surely, 244848421 is an apocalyptic number.

It is an amenable number.

44848421 is a deficient number, since it is larger than the sum of its proper divisors (38971).

44848421 is a wasteful number, since it uses less digits than its factorization.

44848421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38970.

The product of its digits is 32768, while the sum is 35.

The square root of 44848421 is about 6696.8963707079. The cubic root of 44848421 is about 355.2895105767.

The spelling of 44848421 in words is "forty-four million, eight hundred forty-eight thousand, four hundred twenty-one".

Divisors: 1 1187 37783 44848421