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30424207 = 112765837
BaseRepresentation
bin111010000001…
…1110010001111
32010020201011111
41310003302033
530242033312
63004032451
7516413212
oct164036217
963221144
1030424207
11161a0180
12a232727
1363c30b8
14407d779
152a0e8a7
hex1d03c8f

30424207 has 4 divisors (see below), whose sum is σ = 33190056. Its totient is φ = 27658360.

The previous prime is 30424159. The next prime is 30424213. The reversal of 30424207 is 70242403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30424207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424297) by changing a digit.

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, 1382908 + ... + 1382929.

It is an arithmetic number, because the mean of its divisors is an integer number (8297514).

Almost surely, 230424207 is an apocalyptic number.

30424207 is a deficient number, since it is larger than the sum of its proper divisors (2765849).

30424207 is a wasteful number, since it uses less digits than its factorization.

30424207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765848.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 30424207 is about 5515.8142644581. The cubic root of 30424207 is about 312.1809676362.

The spelling of 30424207 in words is "thirty million, four hundred twenty-four thousand, two hundred seven".

Divisors: 1 11 2765837 30424207