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4070020 = 2251971033
BaseRepresentation
bin1111100001101010000100
321122210000111
433201222010
52020220040
6223122404
746410643
oct17415204
97583014
104070020
11232a959
121443404
13ac66c6
1477d35a
15555dea
hex3e1a84

4070020 has 24 divisors (see below), whose sum is σ = 8598744. Its totient is φ = 1618176.

The previous prime is 4069991. The next prime is 4070051. The reversal of 4070020 is 200704.

It can be written as a sum of positive squares in 4 ways, for example, as 2663424 + 1406596 = 1632^2 + 1186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424 + ... + 4456.

It is an arithmetic number, because the mean of its divisors is an integer number (358281).

Almost surely, 24070020 is an apocalyptic number.

It is an amenable number.

4070020 is an abundant number, since it is smaller than the sum of its proper divisors (4528724).

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

4070020 is a wasteful number, since it uses less digits than its factorization.

4070020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 4070020 is about 2017.4290569931. The cubic root of 4070020 is about 159.6610010053.

Adding to 4070020 its reverse (200704), we get a palindrome (4270724).

The spelling of 4070020 in words is "four million, seventy thousand, twenty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1033 1970 2066 3940 4132 5165 10330 20660 203501 407002 814004 1017505 2035010 4070020