Search a number
-
+
30252524 = 228984979
BaseRepresentation
bin111001101100…
…1110111101100
32002220222122212
41303121313230
530221040044
63000225552
7515066531
oct163316754
962828585
1030252524
1116093195
12a16b2b8
136362c03
144036d88
1529c8a9e
hex1cd9dec

30252524 has 12 divisors (see below), whose sum is σ = 53537400. Its totient is φ = 14956128.

The previous prime is 30252499. The next prime is 30252527. The reversal of 30252524 is 42525203.

It is a self number, because there is not a number n which added to its sum of digits gives 30252524.

It is not an unprimeable number, because it can be changed into a prime (30252527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42134 + ... + 42845.

It is an arithmetic number, because the mean of its divisors is an integer number (4461450).

Almost surely, 230252524 is an apocalyptic number.

It is an amenable number.

30252524 is a deficient number, since it is larger than the sum of its proper divisors (23284876).

30252524 is a wasteful number, since it uses less digits than its factorization.

30252524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85072 (or 85070 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30252524 is about 5500.2294497593. The cubic root of 30252524 is about 311.5926499607.

Adding to 30252524 its reverse (42525203), we get a palindrome (72777727).

The spelling of 30252524 in words is "thirty million, two hundred fifty-two thousand, five hundred twenty-four".

Divisors: 1 2 4 89 178 356 84979 169958 339916 7563131 15126262 30252524