Search a number
-
+
52103070 = 2325578923
BaseRepresentation
bin1100011011000…
…0011110011110
310122001002222100
43012300132132
5101314244240
65100425530
71201603665
oct306603636
9118032870
1052103070
1127457898
12155482a6
13aa43726
146cc3ddc
154892e30
hex31b079e

52103070 has 24 divisors (see below), whose sum is σ = 135468216. Its totient is φ = 13894128.

The previous prime is 52103063. The next prime is 52103101. The reversal of 52103070 is 7030125.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289372 + ... + 289551.

It is an arithmetic number, because the mean of its divisors is an integer number (5644509).

Almost surely, 252103070 is an apocalyptic number.

52103070 is an abundant number, since it is smaller than the sum of its proper divisors (83365146).

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

52103070 is a wasteful number, since it uses less digits than its factorization.

52103070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578936 (or 578933 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 52103070 is about 7218.2456317307. The cubic root of 52103070 is about 373.4975618514.

Adding to 52103070 its reverse (7030125), we get a palindrome (59133195).

The spelling of 52103070 in words is "fifty-two million, one hundred three thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 578923 1157846 1736769 2894615 3473538 5210307 5789230 8683845 10420614 17367690 26051535 52103070