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30775426 = 2112360821
BaseRepresentation
bin111010101100…
…1100010000010
32010220112221121
41311121202002
530334303201
63015342454
7522405163
oct165314202
963815847
1030775426
1116410040
12a381a2a
1364b6c16
14413176a
152a7d9a1
hex1d59882

30775426 has 16 divisors (see below), whose sum is σ = 52550208. Its totient is φ = 13380400.

The previous prime is 30775397. The next prime is 30775463. The reversal of 30775426 is 62457703.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30775391 and 30775400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29905 + ... + 30916.

It is an arithmetic number, because the mean of its divisors is an integer number (3284388).

Almost surely, 230775426 is an apocalyptic number.

30775426 is a deficient number, since it is larger than the sum of its proper divisors (21774782).

30775426 is a wasteful number, since it uses less digits than its factorization.

30775426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60857.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 30775426 is about 5547.5603647009. The cubic root of 30775426 is about 313.3776535567.

The spelling of 30775426 in words is "thirty million, seven hundred seventy-five thousand, four hundred twenty-six".

Divisors: 1 2 11 22 23 46 253 506 60821 121642 669031 1338062 1398883 2797766 15387713 30775426