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30026522 = 217251949
BaseRepresentation
bin111001010001…
…0101100011010
32002111111122102
41302202230122
530141322042
62551323402
7513135611
oct162425432
962444572
1030026522
1115a49409
12a080562
1362b4096
143db8878
152981b32
hex1ca2b1a

30026522 has 12 divisors (see below), whose sum is σ = 47845950. Its totient is φ = 14129856.

The previous prime is 30026509. The next prime is 30026527. The reversal of 30026522 is 22562003.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 28206721 + 1819801 = 5311^2 + 1349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30026494 and 30026503.

It is not an unprimeable number, because it can be changed into a prime (30026527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25397 + ... + 26552.

Almost surely, 230026522 is an apocalyptic number.

30026522 is a deficient number, since it is larger than the sum of its proper divisors (17819428).

30026522 is a wasteful number, since it uses less digits than its factorization.

30026522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51985 (or 51968 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30026522 is about 5479.6461564594. The cubic root of 30026522 is about 310.8147903144.

Adding to 30026522 its reverse (22562003), we get a palindrome (52588525).

The spelling of 30026522 in words is "thirty million, twenty-six thousand, five hundred twenty-two".

Divisors: 1 2 17 34 289 578 51949 103898 883133 1766266 15013261 30026522