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30734030 = 2516271889
BaseRepresentation
bin111010100111…
…1011011001110
32010211110011102
41311033123032
530331442110
63014423102
7522143405
oct165173316
963743142
1030734030
1116391a28
12a361a92
1364a1122
14412063c
152a715a5
hex1d4f6ce

30734030 has 16 divisors (see below), whose sum is σ = 55384560. Its totient is φ = 12279552.

The previous prime is 30734023. The next prime is 30734047. The reversal of 30734030 is 3043703.

It is a junction number, because it is equal to n+sod(n) for n = 30733993 and 30734011.

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, 15326 + ... + 17214.

It is an arithmetic number, because the mean of its divisors is an integer number (3461535).

Almost surely, 230734030 is an apocalyptic number.

30734030 is a deficient number, since it is larger than the sum of its proper divisors (24650530).

30734030 is a wasteful number, since it uses less digits than its factorization.

30734030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523.

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

The square root of 30734030 is about 5543.8280997881. The cubic root of 30734030 is about 313.2370825032.

Adding to 30734030 its reverse (3043703), we get a palindrome (33777733).

The spelling of 30734030 in words is "thirty million, seven hundred thirty-four thousand, thirty".

Divisors: 1 2 5 10 1627 1889 3254 3778 8135 9445 16270 18890 3073403 6146806 15367015 30734030