Search a number
-
+
531303542 = 271123150001
BaseRepresentation
bin11111101010110…
…000110001110110
31101000202000102222
4133222300301312
52042003203132
6124415402342
716111001630
oct3752606166
91330660388
10531303542
112529a8240
12129b233b2
13860c54c3
14507c3a50
153199d412
hex1fab0c76

531303542 has 32 divisors (see below), whose sum is σ = 1036813824. Its totient is φ = 198000000.

The previous prime is 531303541. The next prime is 531303547. The reversal of 531303542 is 245303135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531303541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71459 + ... + 78542.

It is an arithmetic number, because the mean of its divisors is an integer number (32400432).

Almost surely, 2531303542 is an apocalyptic number.

531303542 is a deficient number, since it is larger than the sum of its proper divisors (505510282).

531303542 is a wasteful number, since it uses less digits than its factorization.

531303542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150044.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 531303542 is about 23050.0226030258. The cubic root of 531303542 is about 809.9301580791.

Adding to 531303542 its reverse (245303135), we get a palindrome (776606677).

The spelling of 531303542 in words is "five hundred thirty-one million, three hundred three thousand, five hundred forty-two".

Divisors: 1 2 7 11 14 22 23 46 77 154 161 253 322 506 1771 3542 150001 300002 1050007 1650011 2100014 3300022 3450023 6900046 11550077 23100154 24150161 37950253 48300322 75900506 265651771 531303542