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2231240506 = 211745913597
BaseRepresentation
bin1000010011111110…
…0000011100111010
312202111110202120021
42010333200130322
514032144144011
61005223121054
7106202142235
oct20477403472
95674422507
102231240506
11a45528020
125232a318a
1329734c171
1417249041c
15d0d3d471
hex84fe073a

2231240506 has 16 divisors (see below), whose sum is σ = 3651878880. Its totient is φ = 1013989680.

The previous prime is 2231240503. The next prime is 2231240507. The reversal of 2231240506 is 6050421322.

2231240506 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 3×22312405063 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231240503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157300 + ... + 170896.

It is an arithmetic number, because the mean of its divisors is an integer number (228242430).

Almost surely, 22231240506 is an apocalyptic number.

2231240506 is a deficient number, since it is larger than the sum of its proper divisors (1420638374).

2231240506 is a wasteful number, since it uses less digits than its factorization.

2231240506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21069.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2231240506 is about 47236.0085739682. The cubic root of 2231240506 is about 1306.7187671709.

Adding to 2231240506 its reverse (6050421322), we get a palindrome (8281661828).

The spelling of 2231240506 in words is "two billion, two hundred thirty-one million, two hundred forty thousand, five hundred six".

Divisors: 1 2 11 22 7459 13597 14918 27194 82049 149567 164098 299134 101420023 202840046 1115620253 2231240506