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42000000224 = 2571314423077
BaseRepresentation
bin100111000111011001…
…010010010011100000
311000102001102002000212
4213013121102103200
51142004000001344
631143341433252
73014541053150
oct470731222340
9130361362025
1042000000224
11168a29a5896
12818186b828
133c64529a50
142066066760
15115c39979e
hex9c76524e0

42000000224 has 48 divisors (see below), whose sum is σ = 101769238368. Its totient is φ = 16615383552.

The previous prime is 42000000223. The next prime is 42000000239. The reversal of 42000000224 is 42200000024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 42000000199 and 42000000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7208627 + ... + 7214450.

It is an arithmetic number, because the mean of its divisors is an integer number (2120192466).

Almost surely, 242000000224 is an apocalyptic number.

It is an amenable number.

42000000224 is an abundant number, since it is smaller than the sum of its proper divisors (59769238144).

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

42000000224 is a wasteful number, since it uses less digits than its factorization.

42000000224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14423107 (or 14423099 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 42000000224 its reverse (42200000024), we get a palindrome (84200000248).

The spelling of 42000000224 in words is "forty-two billion, two hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 14423077 28846154 57692308 100961539 115384616 187500001 201923078 230769232 375000002 403846156 461538464 750000004 807692312 1312500007 1500000008 1615384624 2625000014 3000000016 3230769248 5250000028 6000000032 10500000056 21000000112 42000000224