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30730430 = 2529105967
BaseRepresentation
bin111010100111…
…0100010111110
32010211021020002
41311032202332
530331333210
63014354302
7522130043
oct165164276
963737202
1030730430
111638a255
12a35b992
13649c5b3
14411d1ca
152a704a5
hex1d4e8be

30730430 has 16 divisors (see below), whose sum is σ = 57222720. Its totient is φ = 11868192.

The previous prime is 30730417. The next prime is 30730451. The reversal of 30730430 is 3403703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52694 + ... + 53273.

It is an arithmetic number, because the mean of its divisors is an integer number (3576420).

Almost surely, 230730430 is an apocalyptic number.

30730430 is a deficient number, since it is larger than the sum of its proper divisors (26492290).

30730430 is a wasteful number, since it uses less digits than its factorization.

30730430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106003.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30730430 is about 5543.5034048876. The cubic root of 30730430 is about 313.2248517877.

The spelling of 30730430 in words is "thirty million, seven hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 105967 211934 529835 1059670 3073043 6146086 15365215 30730430