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30074210 = 253007421
BaseRepresentation
bin111001010111…
…0010101100010
32002120221001122
41302232111202
530144333320
62552332242
7513424625
oct162562542
962527048
1030074210
1115a81221
12a0a4082
1362cc9ba
143dcbdbc
152990d25
hex1cae562

30074210 has 8 divisors (see below), whose sum is σ = 54133596. Its totient is φ = 12029680.

The previous prime is 30074203. The next prime is 30074227. The reversal of 30074210 is 1247003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29800681 + 273529 = 5459^2 + 523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1503701 + ... + 1503720.

Almost surely, 230074210 is an apocalyptic number.

30074210 is a deficient number, since it is larger than the sum of its proper divisors (24059386).

30074210 is a wasteful number, since it uses less digits than its factorization.

30074210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007428.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30074210 is about 5483.9958059794. The cubic root of 30074210 is about 310.9792482095.

The spelling of 30074210 in words is "thirty million, seventy-four thousand, two hundred ten".

Divisors: 1 2 5 10 3007421 6014842 15037105 30074210