Search a number
-
+
153809854 = 21122933049
BaseRepresentation
bin10010010101011…
…11001110111110
3101201102100110021
421022233032332
5303333403404
623132402354
73545235142
oct1112571676
9351370407
10153809854
1179904690
12436163ba
1325b34063
14165db222
15d783454
hex92af3be

153809854 has 16 divisors (see below), whose sum is σ = 251881200. Its totient is φ = 69860160.

The previous prime is 153809801. The next prime is 153809861. The reversal of 153809854 is 458908351.

It is a self number, because there is not a number n which added to its sum of digits gives 153809854.

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 7 ways as a sum of consecutive naturals, for example, 48922 + ... + 51970.

It is an arithmetic number, because the mean of its divisors is an integer number (15742575).

Almost surely, 2153809854 is an apocalyptic number.

153809854 is a deficient number, since it is larger than the sum of its proper divisors (98071346).

153809854 is a wasteful number, since it uses less digits than its factorization.

153809854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 153809854 is about 12402.0100790154. The cubic root of 153809854 is about 535.7901434912.

The spelling of 153809854 in words is "one hundred fifty-three million, eight hundred nine thousand, eight hundred fifty-four".

Divisors: 1 2 11 22 2293 3049 4586 6098 25223 33539 50446 67078 6991357 13982714 76904927 153809854