Search a number
-
+
157261850 = 25218117377
BaseRepresentation
bin10010101111110…
…10000000011010
3101221220201200222
421113322000122
5310224334400
623334400042
73616463234
oct1127720032
9357821628
10157261850
1180852179
1244800022
1326772365
1416c59254
15dc16185
hex95fa01a

157261850 has 24 divisors (see below), whose sum is σ = 294140028. Its totient is φ = 62553600.

The previous prime is 157261847. The next prime is 157261861. The reversal of 157261850 is 58162751.

It can be written as a sum of positive squares in 6 ways, for example, as 185761 + 157076089 = 431^2 + 12533^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157261850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362 + ... + 17738.

Almost surely, 2157261850 is an apocalyptic number.

157261850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157261850 is a deficient number, since it is larger than the sum of its proper divisors (136878178).

157261850 is a wasteful number, since it uses less digits than its factorization.

157261850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17570 (or 17565 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 157261850 is about 12540.4086855254. The cubic root of 157261850 is about 539.7688196531.

Subtracting from 157261850 its reverse (58162751), we obtain a palindrome (99099099).

It can be divided in two parts, 15726 and 1850, that added together give a cube (17576 = 263).

The spelling of 157261850 in words is "one hundred fifty-seven million, two hundred sixty-one thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 181 362 905 1810 4525 9050 17377 34754 86885 173770 434425 868850 3145237 6290474 15726185 31452370 78630925 157261850