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30704494 = 219223432
BaseRepresentation
bin111010100100…
…0001101101110
32010202221122111
41311020031232
530330020434
63014034234
7521661322
oct165101556
963687574
1030704494
1116371817
12a34897a
136490852
144113982
152a67964
hex1d4836e

30704494 has 36 divisors (see below), whose sum is σ = 51928776. Its totient is φ = 13588344.

The previous prime is 30704423. The next prime is 30704497. The reversal of 30704494 is 49440703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30704497) 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 17 ways as a sum of consecutive naturals, for example, 714037 + ... + 714079.

It is an arithmetic number, because the mean of its divisors is an integer number (1442466).

Almost surely, 230704494 is an apocalyptic number.

30704494 is a deficient number, since it is larger than the sum of its proper divisors (21224282).

30704494 is a wasteful number, since it uses less digits than its factorization.

30704494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30704494 is about 5541.1635962133. The cubic root of 30704494 is about 313.1367080348.

The spelling of 30704494 in words is "thirty million, seven hundred four thousand, four hundred ninety-four".

Divisors: 1 2 19 23 38 43 46 86 361 437 722 817 874 989 1634 1849 1978 3698 8303 15523 16606 18791 31046 35131 37582 42527 70262 85054 357029 667489 714058 808013 1334978 1616026 15352247 30704494