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30703268 = 2231247607
BaseRepresentation
bin111010100011…
…1111010100100
32010202212222002
41311013322210
530330001033
63014024432
7521654621
oct165077244
963685862
1030703268
1116370902
12a348118
13649011b
144113348
152a673e8
hex1d47ea4

30703268 has 12 divisors (see below), whose sum is σ = 55464192. Its totient is φ = 14856360.

The previous prime is 30703261. The next prime is 30703273. The reversal of 30703268 is 86230703.

It is a self number, because there is not a number n which added to its sum of digits gives 30703268.

It is not an unprimeable number, because it can be changed into a prime (30703261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123680 + ... + 123927.

It is an arithmetic number, because the mean of its divisors is an integer number (4622016).

Almost surely, 230703268 is an apocalyptic number.

It is an amenable number.

30703268 is a deficient number, since it is larger than the sum of its proper divisors (24760924).

30703268 is a wasteful number, since it uses less digits than its factorization.

30703268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247642 (or 247640 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 30703268 is about 5541.0529685250. The cubic root of 30703268 is about 313.1325402333.

The spelling of 30703268 in words is "thirty million, seven hundred three thousand, two hundred sixty-eight".

Divisors: 1 2 4 31 62 124 247607 495214 990428 7675817 15351634 30703268