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30022532 = 227505633
BaseRepresentation
bin111001010000…
…1101110000100
32002111022011122
41302201232010
530141210112
62551253112
7513121151
oct162415604
962438148
1030022532
1115a46411
12a07a198
1362b2317
143db7228
152980872
hex1ca1b84

30022532 has 6 divisors (see below), whose sum is σ = 52539438. Its totient is φ = 15011264.

The previous prime is 30022523. The next prime is 30022549. The reversal of 30022532 is 23522003.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 6071296 = 4894^2 + 2464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30022532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752813 + ... + 3752820.

It is an arithmetic number, because the mean of its divisors is an integer number (8756573).

Almost surely, 230022532 is an apocalyptic number.

It is an amenable number.

30022532 is a deficient number, since it is larger than the sum of its proper divisors (22516906).

30022532 is a wasteful number, since it uses less digits than its factorization.

30022532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505637 (or 7505635 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 30022532 is about 5479.2820697606. The cubic root of 30022532 is about 310.8010224201.

Adding to 30022532 its reverse (23522003), we get a palindrome (53544535).

The spelling of 30022532 in words is "thirty million, twenty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7505633 15011266 30022532