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30493425 = 352406579
BaseRepresentation
bin111010001010…
…0101011110001
32010101020010010
41310110223301
530301242200
63005325133
7520122054
oct164245361
963336103
1030493425
1116238186
12a2667a9
136418761
14409aa9b
152a25150
hex1d14af1

30493425 has 12 divisors (see below), whose sum is σ = 50415920. Its totient is φ = 16263120.

The previous prime is 30493373. The next prime is 30493457. The reversal of 30493425 is 52439403.

It is not a de Polignac number, because 30493425 - 216 = 30427889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30493392 and 30493401.

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 11 ways as a sum of consecutive naturals, for example, 203215 + ... + 203364.

Almost surely, 230493425 is an apocalyptic number.

It is an amenable number.

30493425 is a deficient number, since it is larger than the sum of its proper divisors (19922495).

30493425 is a wasteful number, since it uses less digits than its factorization.

30493425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406592 (or 406587 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 30493425 is about 5522.0852039787. The cubic root of 30493425 is about 312.4175355740.

The spelling of 30493425 in words is "thirty million, four hundred ninety-three thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 406579 1219737 2032895 6098685 10164475 30493425