Search a number
-
+
122542230 = 2354084741
BaseRepresentation
bin1110100110111…
…01100010010110
322112120210100010
413103131202112
5222332322410
620054301050
73015406656
oct723354226
9275523303
10122542230
1163198878
1235057786
131c5070c5
14123bc366
15ab58c20
hex74dd896

122542230 has 16 divisors (see below), whose sum is σ = 294101424. Its totient is φ = 32677920.

The previous prime is 122542223. The next prime is 122542241. The reversal of 122542230 is 32245221.

It is a junction number, because it is equal to n+sod(n) for n = 122542197 and 122542206.

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, 2042341 + ... + 2042400.

It is an arithmetic number, because the mean of its divisors is an integer number (18381339).

Almost surely, 2122542230 is an apocalyptic number.

122542230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122542230 is an abundant number, since it is smaller than the sum of its proper divisors (171559194).

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

122542230 is a wasteful number, since it uses less digits than its factorization.

122542230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084751.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122542230 is about 11069.8794031371. The cubic root of 122542230 is about 496.7012577943.

Adding to 122542230 its reverse (32245221), we get a palindrome (154787451).

The spelling of 122542230 in words is "one hundred twenty-two million, five hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4084741 8169482 12254223 20423705 24508446 40847410 61271115 122542230