Search a number
-
+
235099720 = 23510158193
BaseRepresentation
bin11100000001101…
…01011001001000
3121101101022012001
432000311121020
5440141142340
635155000344
75553212632
oct1600653110
9541338161
10235099720
11110786999
12668990b4
133992657b
142331ba52
151598e29a
hexe035648

235099720 has 32 divisors (see below), whose sum is σ = 534220920. Its totient is φ = 93107200.

The previous prime is 235099661. The next prime is 235099727. The reversal of 235099720 is 27990532.

It can be written as a sum of positive squares in 4 ways, for example, as 228432996 + 6666724 = 15114^2 + 2582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 235099720.

It is not an unprimeable number, because it can be changed into a prime (235099727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25057 + ... + 33136.

Almost surely, 2235099720 is an apocalyptic number.

235099720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235099720 is an abundant number, since it is smaller than the sum of its proper divisors (299121200).

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

235099720 is a wasteful number, since it uses less digits than its factorization.

235099720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58305 (or 58301 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 235099720 is about 15332.9618795587. The cubic root of 235099720 is about 617.1878538416.

The spelling of 235099720 in words is "two hundred thirty-five million, ninety-nine thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 58193 116386 232772 290965 465544 581930 1163860 2327720 5877493 11754986 23509972 29387465 47019944 58774930 117549860 235099720