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235113220 = 22519618719
BaseRepresentation
bin11100000001110…
…00101100000100
3121101101222201001
432000320230010
5440142110340
635155143044
75553300166
oct1600705404
9541358631
10235113220
11110796051
12668a4a84
133992c764
1423322936
151599329a
hexe038b04

235113220 has 24 divisors (see below), whose sum is σ = 519724800. Its totient is φ = 89095392.

The previous prime is 235113211. The next prime is 235113253. The reversal of 235113220 is 22311532.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 308980 + ... + 309739.

It is an arithmetic number, because the mean of its divisors is an integer number (21655200).

Almost surely, 2235113220 is an apocalyptic number.

235113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235113220 is an abundant number, since it is smaller than the sum of its proper divisors (284611580).

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

235113220 is a wasteful number, since it uses less digits than its factorization.

235113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618747 (or 618745 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 235113220 is about 15333.4021012951. The cubic root of 235113220 is about 617.1996670934.

Adding to 235113220 its reverse (22311532), we get a palindrome (257424752).

The spelling of 235113220 in words is "two hundred thirty-five million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 618719 1237438 2474876 3093595 6187190 11755661 12374380 23511322 47022644 58778305 117556610 235113220