Search a number
-
+
448040412 = 223212445567
BaseRepresentation
bin11010101101001…
…000110111011100
31011020001210220100
4122231020313130
51404144243122
6112243021100
714050165161
oct3255106734
91136053810
10448040412
1120a9a8436
1210606a790
1371a91a91
144370c068
1529502aac
hex1ab48ddc

448040412 has 18 divisors (see below), whose sum is σ = 1132546688. Its totient is φ = 149346792.

The previous prime is 448040399. The next prime is 448040419. The reversal of 448040412 is 214040844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448040419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6222748 + ... + 6222819.

Almost surely, 2448040412 is an apocalyptic number.

It is an amenable number.

448040412 is an abundant number, since it is smaller than the sum of its proper divisors (684506276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448040412 is a wasteful number, since it uses less digits than its factorization.

448040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445577 (or 12445572 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 448040412 is about 21166.9651107569. The cubic root of 448040412 is about 765.1954799693.

The spelling of 448040412 in words is "four hundred forty-eight million, forty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 12445567 24891134 37336701 49782268 74673402 112010103 149346804 224020206 448040412