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30030052 = 22132712131
BaseRepresentation
bin111001010001…
…1100011100100
32002111200111011
41302203203210
530141430202
62551352004
7513152113
oct162434344
962450434
1030030052
1115a51028
12a082604
1362b5880
143db9c7a
152982bd7
hex1ca38e4

30030052 has 24 divisors (see below), whose sum is σ = 56830592. Its totient is φ = 13802400.

The previous prime is 30030043. The next prime is 30030061. The reversal of 30030052 is 25003003.

It is an interprime number because it is at equal distance from previous prime (30030043) and next prime (30030061).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13027 + ... + 15157.

Almost surely, 230030052 is an apocalyptic number.

It is an amenable number.

30030052 is a deficient number, since it is larger than the sum of its proper divisors (26800540).

30030052 is a wasteful number, since it uses less digits than its factorization.

30030052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 30030052 is about 5479.9682480832. The cubic root of 30030052 is about 310.8269699159.

Adding to 30030052 its reverse (25003003), we get a palindrome (55033055).

The spelling of 30030052 in words is "thirty million, thirty thousand, fifty-two", and thus it is an eban number.

Divisors: 1 2 4 13 26 52 271 542 1084 2131 3523 4262 7046 8524 14092 27703 55406 110812 577501 1155002 2310004 7507513 15015026 30030052