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1123153230 = 23537438441
BaseRepresentation
bin100001011110001…
…1111010101001110
32220021102002120210
41002330133111032
54300011400410
6303241023250
736555434133
oct10274372516
92807362523
101123153230
11526a99711
12274184b26
1314b8c9414
14a924858a
156890b220
hex42f1f54e

1123153230 has 16 divisors (see below), whose sum is σ = 2695567824. Its totient is φ = 299507520.

The previous prime is 1123153193. The next prime is 1123153243. The reversal of 1123153230 is 323513211.

It is a super-2 number, since 2×11231532302 = 2522946356118865800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123153197 and 1123153206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18719191 + ... + 18719250.

It is an arithmetic number, because the mean of its divisors is an integer number (168472989).

Almost surely, 21123153230 is an apocalyptic number.

1123153230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123153230 is an abundant number, since it is smaller than the sum of its proper divisors (1572414594).

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

1123153230 is a wasteful number, since it uses less digits than its factorization.

1123153230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37438451.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1123153230 is about 33513.4783333512. The cubic root of 1123153230 is about 1039.4724981451.

Adding to 1123153230 its reverse (323513211), we get a palindrome (1446666441).

The spelling of 1123153230 in words is "one billion, one hundred twenty-three million, one hundred fifty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37438441 74876882 112315323 187192205 224630646 374384410 561576615 1123153230