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52151648 = 2517372591
BaseRepresentation
bin1100011011110…
…0010101100000
310122010120121112
43012330111200
5101322323043
65101442452
71202165423
oct306742540
9118116545
1052151648
112749033a
1215570428
13aa5c883
146cd79ba
1548a2518
hex31bc560

52151648 has 48 divisors (see below), whose sum is σ = 111694464. Its totient is φ = 23869440.

The previous prime is 52151591. The next prime is 52151669. The reversal of 52151648 is 84615125.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18833 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968).

Almost surely, 252151648 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 52151648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55847232).

52151648 is an abundant number, since it is smaller than the sum of its proper divisors (59542816).

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

52151648 is a wasteful number, since it uses less digits than its factorization.

52151648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2647 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 52151648 is about 7221.6097928371. The cubic root of 52151648 is about 373.6136019026.

The spelling of 52151648 in words is "fifty-two million, one hundred fifty-one thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 17 32 34 37 68 74 136 148 272 296 544 592 629 1184 1258 2516 2591 5032 5182 10064 10364 20128 20728 41456 44047 82912 88094 95867 176188 191734 352376 383468 704752 766936 1409504 1533872 1629739 3067744 3259478 6518956 13037912 26075824 52151648