Search a number
-
+
52769472 = 263727179
BaseRepresentation
bin1100100101001…
…1001011000000
310200021222002220
43021103023000
5102002110342
65123011040
71210350600
oct311231300
9120258086
1052769472
1127872538
1215809a80
13ac17b52
147018c00
1549755ec
hex32532c0

52769472 has 168 divisors, whose sum is σ = 166786560. Its totient is φ = 14676480.

The previous prime is 52769467. The next prime is 52769489. The reversal of 52769472 is 27496725.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667929 + ... + 668007.

Almost surely, 252769472 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 52769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83393280).

52769472 is an abundant number, since it is smaller than the sum of its proper divisors (114017088).

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

52769472 is a wasteful number, since it uses less digits than its factorization.

52769472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 162 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 52769472 is about 7264.2599072445. The cubic root of 52769472 is about 375.0831744396.

The spelling of 52769472 in words is "fifty-two million, seven hundred sixty-nine thousand, four hundred seventy-two".