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30290532 = 22317148483
BaseRepresentation
bin111001110001…
…1001001100100
32002222220210120
41303203021210
530223244112
63001121540
7515315406
oct163431144
962886716
1030290532
11161097a8
12a1892b0
1363772bc
144046b76
1529d4e8c
hex1ce3264

30290532 has 24 divisors (see below), whose sum is σ = 74835936. Its totient is φ = 9502848.

The previous prime is 30290521. The next prime is 30290537. The reversal of 30290532 is 23509203.

It is not an unprimeable number, because it can be changed into a prime (30290537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74038 + ... + 74445.

It is an arithmetic number, because the mean of its divisors is an integer number (3118164).

Almost surely, 230290532 is an apocalyptic number.

It is an amenable number.

30290532 is an abundant number, since it is smaller than the sum of its proper divisors (44545404).

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

30290532 is a wasteful number, since it uses less digits than its factorization.

30290532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148507 (or 148505 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 30290532 is about 5503.6834938067. The cubic root of 30290532 is about 311.7230859888.

Adding to 30290532 its reverse (23509203), we get a palindrome (53799735).

The spelling of 30290532 in words is "thirty million, two hundred ninety thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 148483 296966 445449 593932 890898 1781796 2524211 5048422 7572633 10096844 15145266 30290532