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4272556 = 221636553
BaseRepresentation
bin10000010011000110101100
322001001211211
4100103012230
52043210211
6231324204
751213301
oct20230654
98031754
104272556
112459042
121520664
13b67952
147d30a8
15595e21
hex4131ac

4272556 has 12 divisors (see below), whose sum is σ = 7523992. Its totient is φ = 2122848.

The previous prime is 4272553. The next prime is 4272563. The reversal of 4272556 is 6552724.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272553) 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, 2625 + ... + 3928.

Almost surely, 24272556 is an apocalyptic number.

It is an amenable number.

4272556 is a deficient number, since it is larger than the sum of its proper divisors (3251436).

4272556 is a wasteful number, since it uses less digits than its factorization.

4272556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720 (or 6718 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 4272556 is about 2067.0162069998. The cubic root of 4272556 is about 162.2666441457.

The spelling of 4272556 in words is "four million, two hundred seventy-two thousand, five hundred fifty-six".

Divisors: 1 2 4 163 326 652 6553 13106 26212 1068139 2136278 4272556