Search a number
-
+
52133970 = 2357248257
BaseRepresentation
bin1100011011100…
…0000001010010
310122002200100210
43012320001102
5101321241340
65101224550
71202063040
oct306700122
9118080323
1052133970
1127479029
1215562156
13aa54805
146cd1390
15489c180
hex31b8052

52133970 has 32 divisors (see below), whose sum is σ = 142996608. Its totient is φ = 11916288.

The previous prime is 52133959. The next prime is 52133981. The reversal of 52133970 is 7933125.

It is an interprime number because it is at equal distance from previous prime (52133959) and next prime (52133981).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 123919 + ... + 124338.

It is an arithmetic number, because the mean of its divisors is an integer number (4468644).

Almost surely, 252133970 is an apocalyptic number.

52133970 is an abundant number, since it is smaller than the sum of its proper divisors (90862638).

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

52133970 is a wasteful number, since it uses less digits than its factorization.

52133970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248274.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 52133970 is about 7220.3857237685. The cubic root of 52133970 is about 373.5713821587.

The spelling of 52133970 in words is "fifty-two million, one hundred thirty-three thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 248257 496514 744771 1241285 1489542 1737799 2482570 3475598 3723855 5213397 7447710 8688995 10426794 17377990 26066985 52133970