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30009652 = 227502413
BaseRepresentation
bin111001001111…
…0100100110100
32002110122111121
41302132210310
530140302102
62551113324
7513035461
oct162364464
962418447
1030009652
1115a37772
12a072844
1362a94ba
143db2668
15297bb37
hex1c9e934

30009652 has 6 divisors (see below), whose sum is σ = 52516898. Its totient is φ = 15004824.

The previous prime is 30009649. The next prime is 30009653. The reversal of 30009652 is 25690003.

It can be written as a sum of positive squares in only one way, i.e., 29877156 + 132496 = 5466^2 + 364^2 .

It is a super-2 number, since 2×300096522 = 1801158426322208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30009653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3751203 + ... + 3751210.

Almost surely, 230009652 is an apocalyptic number.

It is an amenable number.

30009652 is a deficient number, since it is larger than the sum of its proper divisors (22507246).

30009652 is a wasteful number, since it uses less digits than its factorization.

30009652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502417 (or 7502415 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30009652 is about 5478.1066072138. The cubic root of 30009652 is about 310.7565703647.

Adding to 30009652 its reverse (25690003), we get a palindrome (55699655).

The spelling of 30009652 in words is "thirty million, nine thousand, six hundred fifty-two".

Divisors: 1 2 4 7502413 15004826 30009652