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30049330 = 257142323
BaseRepresentation
bin111001010100…
…0010000110010
32002112122221011
41302220100302
530143034310
62552021134
7513262243
oct162502062
962478834
1030049330
1115a64563
12a0917aa
1362c158c
143dc2cca
15298878a
hex1ca8432

30049330 has 16 divisors (see below), whose sum is σ = 54851904. Its totient is φ = 11850160.

The previous prime is 30049301. The next prime is 30049333. The reversal of 30049330 is 3394003.

It is not an unprimeable number, because it can be changed into a prime (30049333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20452 + ... + 21871.

It is an arithmetic number, because the mean of its divisors is an integer number (3428244).

Almost surely, 230049330 is an apocalyptic number.

30049330 is a deficient number, since it is larger than the sum of its proper divisors (24802574).

30049330 is a wasteful number, since it uses less digits than its factorization.

30049330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42401.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 30049330 is about 5481.7269176784. The cubic root of 30049330 is about 310.8934681974.

The spelling of 30049330 in words is "thirty million, forty-nine thousand, three hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 42323 84646 211615 423230 3004933 6009866 15024665 30049330