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448372149 = 3149457383
BaseRepresentation
bin11010101110011…
…001110110110101
31011020200122221220
4122232121312311
51404240402044
6112254100553
714053046301
oct3256316665
91136618856
10448372149
112101046a5
121061aa759
1371b79a84
1443796d01
152956b019
hex1ab99db5

448372149 has 4 divisors (see below), whose sum is σ = 597829536. Its totient is φ = 298914764.

The previous prime is 448372139. The next prime is 448372181. The reversal of 448372149 is 941273844.

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 not a de Polignac number, because 448372149 - 223 = 439983541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448372149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448372139) 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, 74728689 + ... + 74728694.

It is an arithmetic number, because the mean of its divisors is an integer number (149457384).

Almost surely, 2448372149 is an apocalyptic number.

It is an amenable number.

448372149 is a deficient number, since it is larger than the sum of its proper divisors (149457387).

448372149 is a wasteful number, since it uses less digits than its factorization.

448372149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149457386.

The product of its digits is 193536, while the sum is 42.

The square root of 448372149 is about 21174.7998573776. The cubic root of 448372149 is about 765.3842881078.

The spelling of 448372149 in words is "four hundred forty-eight million, three hundred seventy-two thousand, one hundred forty-nine".

Divisors: 1 3 149457383 448372149