Search a number
-
+
513031152 = 24331734723
BaseRepresentation
bin11110100101000…
…011101111110000
31022202100200102210
4132211003233300
52022313444102
6122524012120
715466456434
oct3645035760
91282320383
10513031152
11243657997
12123991040
138239853a
144c1c89c4
153008e36c
hex1e943bf0

513031152 has 80 divisors (see below), whose sum is σ = 1387117568. Its totient is φ = 163192320.

The previous prime is 513031139. The next prime is 513031153. The reversal of 513031152 is 251130315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513031153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106263 + ... + 110985.

Almost surely, 2513031152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513031152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693558784).

513031152 is an abundant number, since it is smaller than the sum of its proper divisors (874086416).

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

513031152 is a wasteful number, since it uses less digits than its factorization.

513031152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 513031152 is about 22650.1909925722. The cubic root of 513031152 is about 800.5366981966.

Adding to 513031152 its reverse (251130315), we get a palindrome (764161467).

The spelling of 513031152 in words is "five hundred thirteen million, thirty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 73 93 124 146 186 219 248 292 372 438 496 584 744 876 1168 1488 1752 2263 3504 4526 4723 6789 9052 9446 13578 14169 18104 18892 27156 28338 36208 37784 54312 56676 75568 108624 113352 146413 226704 292826 344779 439239 585652 689558 878478 1034337 1171304 1379116 1756956 2068674 2342608 2758232 3513912 4137348 5516464 7027824 8274696 10688149 16549392 21376298 32064447 42752596 64128894 85505192 128257788 171010384 256515576 513031152