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230122552 = 23114435903
BaseRepresentation
bin11011011011101…
…10010000111000
3121001000102210111
431231312100320
5432402410202
634500154104
75463003142
oct1555662070
9531012714
10230122552
11108997530
1265098934
13388a2cba
14227c3c92
15153096d7
hexdb76438

230122552 has 32 divisors (see below), whose sum is σ = 471847680. Its totient is φ = 104347360.

The previous prime is 230122549. The next prime is 230122553. The reversal of 230122552 is 255221032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230122553) 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, 36033 + ... + 41935.

It is an arithmetic number, because the mean of its divisors is an integer number (14745240).

Almost surely, 2230122552 is an apocalyptic number.

230122552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230122552 is an abundant number, since it is smaller than the sum of its proper divisors (241725128).

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

230122552 is a wasteful number, since it uses less digits than its factorization.

230122552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 230122552 is about 15169.7907698162. The cubic root of 230122552 is about 612.8013695043.

Adding to 230122552 its reverse (255221032), we get a palindrome (485343584).

The spelling of 230122552 in words is "two hundred thirty million, one hundred twenty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 443 886 1772 3544 4873 5903 9746 11806 19492 23612 38984 47224 64933 129866 259732 519464 2615029 5230058 10460116 20920232 28765319 57530638 115061276 230122552