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40570460 = 2257289789
BaseRepresentation
bin1001101011000…
…0111001011100
32211100012012122
42122300321130
540341223320
64005322112
71001562140
oct232607134
984305178
1040570460
11209a0207
1211706338
1385363b8
145561220
153865d25
hex26b0e5c

40570460 has 24 divisors (see below), whose sum is σ = 97369440. Its totient is φ = 13909824.

The previous prime is 40570451. The next prime is 40570477. The reversal of 40570460 is 6407504.

40570460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×405704603 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 144755 + ... + 145034.

It is an arithmetic number, because the mean of its divisors is an integer number (4057060).

Almost surely, 240570460 is an apocalyptic number.

It is an amenable number.

40570460 is an abundant number, since it is smaller than the sum of its proper divisors (56798980).

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

40570460 is a wasteful number, since it uses less digits than its factorization.

40570460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289805 (or 289803 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40570460 is about 6369.4944854360. The cubic root of 40570460 is about 343.6133093994.

Adding to 40570460 its reverse (6407504), we get a palindrome (46977964).

The spelling of 40570460 in words is "forty million, five hundred seventy thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 289789 579578 1159156 1448945 2028523 2897890 4057046 5795780 8114092 10142615 20285230 40570460