Search a number
-
+
52756270 = 25717431031
BaseRepresentation
bin1100100100111…
…1111100101110
310200021021222221
43021033330232
5102001200040
65122425554
71210264240
oct311177456
9120237887
1052756270
1127863626
12158022ba
13ac11b38
147014090
15497174a
hex324ff2e

52756270 has 64 divisors (see below), whose sum is σ = 117697536. Its totient is φ = 16611840.

The previous prime is 52756267. The next prime is 52756271. The reversal of 52756270 is 7265725.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52756271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50655 + ... + 51685.

It is an arithmetic number, because the mean of its divisors is an integer number (1839024).

Almost surely, 252756270 is an apocalyptic number.

52756270 is an abundant number, since it is smaller than the sum of its proper divisors (64941266).

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

52756270 is a wasteful number, since it uses less digits than its factorization.

52756270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 52756270 is about 7263.3511549422. The cubic root of 52756270 is about 375.0518920782.

The spelling of 52756270 in words is "fifty-two million, seven hundred fifty-six thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 17 34 35 43 70 85 86 119 170 215 238 301 430 595 602 731 1031 1190 1462 1505 2062 3010 3655 5117 5155 7217 7310 10234 10310 14434 17527 25585 35054 36085 44333 51170 72170 87635 88666 122689 175270 221665 245378 310331 443330 613445 620662 753661 1226890 1507322 1551655 3103310 3768305 5275627 7536610 10551254 26378135 52756270