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52438032 = 2432292433
BaseRepresentation
bin1100100000001…
…0010000010000
310122200010110100
43020002100100
5101411004112
65111532400
71204500363
oct310022020
9118603410
1052438032
1127666519
121568a100
13ab3002a
146d700da
15490c2dc
hex3202410

52438032 has 90 divisors (see below), whose sum is σ = 152339642. Its totient is φ = 16837632.

The previous prime is 52438031. The next prime is 52438033. The reversal of 52438032 is 23083425.

It is an interprime number because it is at equal distance from previous prime (52438031) and next prime (52438033).

It can be written as a sum of positive squares in 3 ways, for example, as 1971216 + 50466816 = 1404^2 + 7104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52437987 and 52438005.

It is not an unprimeable number, because it can be changed into a prime (52438031) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120888 + ... + 121320.

Almost surely, 252438032 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 52438032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76169821).

52438032 is an abundant number, since it is smaller than the sum of its proper divisors (99901610).

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

52438032 is a wasteful number, since it uses less digits than its factorization.

52438032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52438032 is about 7241.4109122463. The cubic root of 52438032 is about 374.2962374081.

The spelling of 52438032 in words is "fifty-two million, four hundred thirty-eight thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 36 48 58 72 87 116 144 174 232 261 348 433 464 522 696 841 866 1044 1299 1392 1682 1732 2088 2523 2598 3364 3464 3897 4176 5046 5196 6728 6928 7569 7794 10092 10392 12557 13456 15138 15588 20184 20784 25114 30276 31176 37671 40368 50228 60552 62352 75342 100456 113013 121104 150684 200912 226026 301368 364153 452052 602736 728306 904104 1092459 1456612 1808208 2184918 2913224 3277377 4369836 5826448 6554754 8739672 13109508 17479344 26219016 52438032