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240226428 = 223131539913
BaseRepresentation
bin11100101000110…
…01000001111100
3121202000202201010
432110121001330
5442444221203
635500515220
75644614411
oct1624310174
9552022633
10240226428
11113668742
126854bb10
133a9ccc20
1423c94108
1516153303
hexe51907c

240226428 has 24 divisors (see below), whose sum is σ = 603646288. Its totient is φ = 73915776.

The previous prime is 240226411. The next prime is 240226457. The reversal of 240226428 is 824622042.

It is a junction number, because it is equal to n+sod(n) for n = 240226395 and 240226404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769801 + ... + 770112.

Almost surely, 2240226428 is an apocalyptic number.

It is an amenable number.

240226428 is an abundant number, since it is smaller than the sum of its proper divisors (363419860).

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

240226428 is a wasteful number, since it uses less digits than its factorization.

240226428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539933 (or 1539931 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 240226428 is about 15499.2395942511. The cubic root of 240226428 is about 621.6418743292.

The spelling of 240226428 in words is "two hundred forty million, two hundred twenty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1539913 3079826 4619739 6159652 9239478 18478956 20018869 40037738 60056607 80075476 120113214 240226428