Search a number
-
+
1235941230 = 23541198041
BaseRepresentation
bin100100110101010…
…1111011101101110
310012010122022122010
41021222233131232
510012400104410
6322350302050
742425220126
oct11152573556
93163568563
101235941230
11584724a37
122a5ab7926
13169099794
14ba207c86
1573789c20
hex49aaf76e

1235941230 has 16 divisors (see below), whose sum is σ = 2966259024. Its totient is φ = 329584320.

The previous prime is 1235941219. The next prime is 1235941243. The reversal of 1235941230 is 321495321.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 41198041 = 1235941230 / (1 + 2 + 3 + 5 + 9 + 4 + 1 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20598991 + ... + 20599050.

It is an arithmetic number, because the mean of its divisors is an integer number (185391189).

Almost surely, 21235941230 is an apocalyptic number.

1235941230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1235941230 is an abundant number, since it is smaller than the sum of its proper divisors (1730317794).

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

1235941230 is a wasteful number, since it uses less digits than its factorization.

1235941230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41198051.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1235941230 is about 35155.9558254359. The cubic root of 1235941230 is about 1073.1636157932.

The spelling of 1235941230 in words is "one billion, two hundred thirty-five million, nine hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41198041 82396082 123594123 205990205 247188246 411980410 617970615 1235941230