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531952344 = 2332711229419
BaseRepresentation
bin11111101101001…
…111001011011000
31101001221222102200
4133231033023120
52042134433334
6124441330200
716116343320
oct3755171330
91331858380
10531952344
11253300740
1212a196960
1386291901
1450912280
1531a7a799
hex1fb4f2d8

531952344 has 192 divisors, whose sum is σ = 1808352000. Its totient is φ = 137237760.

The previous prime is 531952331. The next prime is 531952397. The reversal of 531952344 is 443259135.

531952344 is a `hidden beast` number, since 531 + 95 + 2 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 531952299 and 531952308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1269367 + ... + 1269785.

It is an arithmetic number, because the mean of its divisors is an integer number (9418500).

Almost surely, 2531952344 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 531952344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904176000).

531952344 is an abundant number, since it is smaller than the sum of its proper divisors (1276399656).

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

531952344 is a wasteful number, since it uses less digits than its factorization.

531952344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 671 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 531952344 is about 23064.0920913874. The cubic root of 531952344 is about 810.2597063889.

The spelling of 531952344 in words is "five hundred thirty-one million, nine hundred fifty-two thousand, three hundred forty-four".