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2231255252 = 223747320767
BaseRepresentation
bin1000010011111110…
…0100000011010100
312202111111111210102
42010333210003110
514032200132002
61005223313232
7106202233232
oct20477440324
95674444712
102231255252
11a45538106
125232ab818
13297355aa5
14172495952
15d0d42a02
hex84fe40d4

2231255252 has 24 divisors (see below), whose sum is σ = 4095565824. Its totient is φ = 1062376992.

The previous prime is 2231255209. The next prime is 2231255281. The reversal of 2231255252 is 2525521322.

It is a super-3 number, since 3×22312552523 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 153428 + ... + 167339.

It is an arithmetic number, because the mean of its divisors is an integer number (170648576).

Almost surely, 22231255252 is an apocalyptic number.

It is an amenable number.

2231255252 is a deficient number, since it is larger than the sum of its proper divisors (1864310572).

2231255252 is a wasteful number, since it uses less digits than its factorization.

2231255252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320855 (or 320853 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 2231255252 is about 47236.1646622585. The cubic root of 2231255252 is about 1306.7216458136.

Adding to 2231255252 its reverse (2525521322), we get a palindrome (4756776574).

The spelling of 2231255252 in words is "two billion, two hundred thirty-one million, two hundred fifty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 37 47 74 94 148 188 1739 3478 6956 320767 641534 1283068 11868379 15076049 23736758 30152098 47473516 60304196 557813813 1115627626 2231255252