Search a number
-
+
537021804 = 2231131263499
BaseRepresentation
bin100000000000100…
…100110101101100
31101102111112102110
4200000210311230
52044434144204
6125142124020
716210416144
oct4000446554
91342445373
10537021804
11256153480
1212ba20610
13873481a7
1451471924
153222c889
hex20024d6c

537021804 has 96 divisors (see below), whose sum is σ = 1419264000. Its totient is φ = 156571200.

The previous prime is 537021791. The next prime is 537021809. The reversal of 537021804 is 408120735.

It is not an unprimeable number, because it can be changed into a prime (537021809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1075947 + ... + 1076445.

It is an arithmetic number, because the mean of its divisors is an integer number (14784000).

Almost surely, 2537021804 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 537021804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709632000).

537021804 is an abundant number, since it is smaller than the sum of its proper divisors (882242196).

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

537021804 is a wasteful number, since it uses less digits than its factorization.

537021804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 537021804 is about 23173.7309037626. The cubic root of 537021804 is about 812.8254747780.

The spelling of 537021804 in words is "five hundred thirty-seven million, twenty-one thousand, eight hundred four".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 263 341 372 499 526 682 789 998 1023 1052 1364 1497 1578 1996 2046 2893 2994 3156 4092 5489 5786 5988 8153 8679 10978 11572 15469 16306 16467 17358 21956 24459 30938 32612 32934 34716 46407 48918 61876 65868 89683 92814 97836 131237 170159 179366 185628 262474 269049 340318 358732 393711 510477 524948 538098 680636 787422 1020954 1076196 1443607 1574844 2041908 2887214 4068347 4330821 5774428 8136694 8661642 12205041 16273388 17323284 24410082 44751817 48820164 89503634 134255451 179007268 268510902 537021804