Search a number
-
+
235401020 = 22511770051
BaseRepresentation
bin11100000011111…
…10111100111100
3121101221121111022
432001332330330
5440230313040
635205243312
75555606231
oct1601767474
9541847438
10235401020
111109722a8
1266a03538
1339a0075a
1423399788
15159ed6b5
hexe07ef3c

235401020 has 12 divisors (see below), whose sum is σ = 494342184. Its totient is φ = 94160400.

The previous prime is 235401007. The next prime is 235401053. The reversal of 235401020 is 20104532.

It is a self number, because there is not a number n which added to its sum of digits gives 235401020.

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 3 ways as a sum of consecutive naturals, for example, 5885006 + ... + 5885045.

It is an arithmetic number, because the mean of its divisors is an integer number (41195182).

Almost surely, 2235401020 is an apocalyptic number.

235401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235401020 is an abundant number, since it is smaller than the sum of its proper divisors (258941164).

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

235401020 is a wasteful number, since it uses less digits than its factorization.

235401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770060 (or 11770058 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 235401020 is about 15342.7839716265. The cubic root of 235401020 is about 617.4514006128.

Adding to 235401020 its reverse (20104532), we get a palindrome (255505552).

The spelling of 235401020 in words is "two hundred thirty-five million, four hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 11770051 23540102 47080204 58850255 117700510 235401020