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30054152 = 2312373037
BaseRepresentation
bin111001010100…
…1011100001000
32002112220112202
41302221130020
530143213102
62552055332
7513312302
oct162513410
962486482
1030054152
1115a68147
12a094548
1362c382b
143dc4972
152989e02
hex1ca9708

30054152 has 16 divisors (see below), whose sum is σ = 56415660. Its totient is φ = 15009984.

The previous prime is 30054149. The next prime is 30054191. The reversal of 30054152 is 25145003.

It can be written as a sum of positive squares in 2 ways, for example, as 26977636 + 3076516 = 5194^2 + 1754^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 8378 + ... + 11414.

Almost surely, 230054152 is an apocalyptic number.

It is an amenable number.

30054152 is a deficient number, since it is larger than the sum of its proper divisors (26361508).

30054152 is a wasteful number, since it uses less digits than its factorization.

30054152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 30054152 is about 5482.1667249364. The cubic root of 30054152 is about 310.9100969445.

Adding to 30054152 its reverse (25145003), we get a palindrome (55199155).

The spelling of 30054152 in words is "thirty million, fifty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 1237 2474 3037 4948 6074 9896 12148 24296 3756769 7513538 15027076 30054152