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52532480 = 2857111341
BaseRepresentation
bin1100100001100…
…1010100000000
310122211221000102
43020121110000
5101422014410
65113541532
71205342630
oct310312400
9118757012
1052532480
1127720480
12157148a8
13ab64010
146d966c0
15492a2a5
hex3219500

52532480 has 288 divisors, whose sum is σ = 173069568. Its totient is φ = 14745600.

The previous prime is 52532471. The next prime is 52532539. The reversal of 52532480 is 8423525.

It is a super-2 number, since 2×525324802 = 5519322909900800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281260 + ... + 1281300.

It is an arithmetic number, because the mean of its divisors is an integer number (600936).

Almost surely, 252532480 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 52532480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86534784).

52532480 is an abundant number, since it is smaller than the sum of its proper divisors (120537088).

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

52532480 is a wasteful number, since it uses less digits than its factorization.

52532480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 52532480 is about 7247.9293594792. The cubic root of 52532480 is about 374.5208220375.

The spelling of 52532480 in words is "fifty-two million, five hundred thirty-two thousand, four hundred eighty".