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52675440 = 24351391579
BaseRepresentation
bin1100100011110…
…0001101110000
310200010012010020
43020330031300
5101441103230
65121003440
71206506466
oct310741560
9120105106
1052675440
1127808924
1215783580
13abb40cc
146dd2836
154957810
hex323c370

52675440 has 80 divisors (see below), whose sum is σ = 164572800. Its totient is φ = 13936896.

The previous prime is 52675421. The next prime is 52675453. The reversal of 52675440 is 4457625.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32571 + ... + 34149.

It is an arithmetic number, because the mean of its divisors is an integer number (2057160).

Almost surely, 252675440 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 52675440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82286400).

52675440 is an abundant number, since it is smaller than the sum of its proper divisors (111897360).

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

52675440 is a wasteful number, since it uses less digits than its factorization.

52675440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 52675440 is about 7257.7847860074. The cubic root of 52675440 is about 374.8602501486.

The spelling of 52675440 in words is "fifty-two million, six hundred seventy-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 139 240 278 417 556 695 834 1112 1390 1579 1668 2085 2224 2780 3158 3336 4170 4737 5560 6316 6672 7895 8340 9474 11120 12632 15790 16680 18948 23685 25264 31580 33360 37896 47370 63160 75792 94740 126320 189480 219481 378960 438962 658443 877924 1097405 1316886 1755848 2194810 2633772 3292215 3511696 4389620 5267544 6584430 8779240 10535088 13168860 17558480 26337720 52675440