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4570040 = 235432657
BaseRepresentation
bin10001011011101110111000
322121011220202
4101123232320
52132220130
6241541332
753562506
oct21335670
98534822
104570040
1126415a2
121644848
13c40187
1486d676
15604145
hex45bbb8

4570040 has 32 divisors (see below), whose sum is σ = 10525680. Its totient is φ = 1784832.

The previous prime is 4570037. The next prime is 4570067. The reversal of 4570040 is 400754.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4569994 and 4570021.

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, 392 + ... + 3048.

Almost surely, 24570040 is an apocalyptic number.

4570040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4570040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5262840).

4570040 is an abundant number, since it is smaller than the sum of its proper divisors (5955640).

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

4570040 is a wasteful number, since it uses less digits than its factorization.

4570040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4570040 is about 2137.7651882281. The cubic root of 4570040 is about 165.9485009843.

Adding to 4570040 its reverse (400754), we get a palindrome (4970794).

The spelling of 4570040 in words is "four million, five hundred seventy thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 2657 5314 10628 13285 21256 26570 53140 106280 114251 228502 457004 571255 914008 1142510 2285020 4570040