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4307090 = 25430709
BaseRepresentation
bin10000011011100010010010
322002211012212
4100123202102
52100311330
6232152122
751416054
oct20334222
98084185
104307090
112481a87
121538642
13b7a598
148018d4
155a1295
hex41b892

4307090 has 8 divisors (see below), whose sum is σ = 7752780. Its totient is φ = 1722832.

The previous prime is 4307089. The next prime is 4307099. The reversal of 4307090 is 907034.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 100489 = 2051^2 + 317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4307099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215345 + ... + 215364.

Almost surely, 24307090 is an apocalyptic number.

4307090 is a deficient number, since it is larger than the sum of its proper divisors (3445690).

4307090 is a wasteful number, since it uses less digits than its factorization.

4307090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430716.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 4307090 is about 2075.3529820250. The cubic root of 4307090 is about 162.7026583965.

The spelling of 4307090 in words is "four million, three hundred seven thousand, ninety".

Divisors: 1 2 5 10 430709 861418 2153545 4307090