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30252522 = 2319213967
BaseRepresentation
bin111001101100…
…1110111101010
32002220222122210
41303121313222
530221040042
63000225550
7515066526
oct163316752
962828583
1030252522
1116093193
12a16b2b6
136362c01
144036d86
1529c8a9c
hex1cd9dea

30252522 has 24 divisors (see below), whose sum is σ = 63861696. Its totient is φ = 9552744.

The previous prime is 30252499. The next prime is 30252527. The reversal of 30252522 is 22525203.

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 11 ways as a sum of consecutive naturals, for example, 4818 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (2660904).

Almost surely, 230252522 is an apocalyptic number.

30252522 is an abundant number, since it is smaller than the sum of its proper divisors (33609174).

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

30252522 is a wasteful number, since it uses less digits than its factorization.

30252522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010 (or 13991 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30252522 is about 5500.2292679487. The cubic root of 30252522 is about 311.5926430942.

Adding to 30252522 its reverse (22525203), we get a palindrome (52777725).

The spelling of 30252522 in words is "thirty million, two hundred fifty-two thousand, five hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 361 722 1083 2166 13967 27934 41901 83802 265373 530746 796119 1592238 5042087 10084174 15126261 30252522