Search a number
-
+
103020534 = 2325723363
BaseRepresentation
bin1100010001111…
…11011111110110
321011211222121100
412020333133312
5202333124114
614120030530
72360442261
oct610773766
9234758540
10103020534
1153174941
122a602446
13184605c6
14d979cd8
15909e909
hex623f7f6

103020534 has 12 divisors (see below), whose sum is σ = 223211196. Its totient is φ = 34340172.

The previous prime is 103020529. The next prime is 103020551. The reversal of 103020534 is 435020301.

103020534 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×1030205342 = 21226460851290312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5723363 = 103020534 / (1 + 0 + 3 + 0 + 2 + 0 + 5 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2861664 + ... + 2861699.

It is an arithmetic number, because the mean of its divisors is an integer number (18600933).

Almost surely, 2103020534 is an apocalyptic number.

103020534 is an abundant number, since it is smaller than the sum of its proper divisors (120190662).

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

103020534 is a wasteful number, since it uses less digits than its factorization.

103020534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723371 (or 5723368 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 103020534 is about 10149.9031522473. The cubic root of 103020534 is about 468.7859628942.

Adding to 103020534 its reverse (435020301), we get a palindrome (538040835).

The spelling of 103020534 in words is "one hundred three million, twenty thousand, five hundred thirty-four".

Divisors: 1 2 3 6 9 18 5723363 11446726 17170089 34340178 51510267 103020534