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240428790 = 233572171069
BaseRepresentation
bin11100101010010…
…10011011110110
3121202102001022000
432111022123312
5443022210130
635505120130
75646416400
oct1625123366
9552361260
10240428790
11113796788
1268629046
133aa71074
1423d07b70
1516193260
hexe54a6f6

240428790 has 192 divisors, whose sum is σ = 790430400. Its totient is φ = 51674112.

The previous prime is 240428767. The next prime is 240428819. The reversal of 240428790 is 97824042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 224376 + ... + 225444.

It is an arithmetic number, because the mean of its divisors is an integer number (4116825).

Almost surely, 2240428790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240428790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395215200).

240428790 is an abundant number, since it is smaller than the sum of its proper divisors (550001610).

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

240428790 is a wasteful number, since it uses less digits than its factorization.

240428790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 240428790 is about 15505.7663467498. The cubic root of 240428790 is about 621.8163782860.

The spelling of 240428790 in words is "two hundred forty million, four hundred twenty-eight thousand, seven hundred ninety".