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30049995 = 3519910067
BaseRepresentation
bin111001010100…
…0011011001011
32002112200211210
41302220123023
530143044440
62552024203
7513264213
oct162503313
962480753
1030049995
1115a65008
12a092063
1362c1981
143dc3243
152988a80
hex1ca86cb

30049995 has 16 divisors (see below), whose sum is σ = 48326400. Its totient is φ = 15944544.

The previous prime is 30049979. The next prime is 30050047. The reversal of 30049995 is 59994003.

It is a happy number.

It is not a de Polignac number, because 30049995 - 24 = 30049979 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2049 + ... + 8018.

It is an arithmetic number, because the mean of its divisors is an integer number (3020400).

Almost surely, 230049995 is an apocalyptic number.

30049995 is a deficient number, since it is larger than the sum of its proper divisors (18276405).

30049995 is a wasteful number, since it uses less digits than its factorization.

30049995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 30049995 is about 5481.7875734107. The cubic root of 30049995 is about 310.8957615667.

The spelling of 30049995 in words is "thirty million, forty-nine thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 199 597 995 2985 10067 30201 50335 151005 2003333 6009999 10016665 30049995