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30793108 = 227698277
BaseRepresentation
bin111010101110…
…1110110010100
32010221110012111
41311131312110
530340334413
63020000404
7522510553
oct165356624
963843174
1030793108
1116422355
12a390104
1364c1c98
144137d9a
152a83d3d
hex1d5dd94

30793108 has 6 divisors (see below), whose sum is σ = 53887946. Its totient is φ = 15396552.

The previous prime is 30793097. The next prime is 30793109. The reversal of 30793108 is 80139703.

It can be written as a sum of positive squares in only one way, i.e., 20629764 + 10163344 = 4542^2 + 3188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30793108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30793109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849135 + ... + 3849142.

Almost surely, 230793108 is an apocalyptic number.

It is an amenable number.

30793108 is a deficient number, since it is larger than the sum of its proper divisors (23094838).

30793108 is a wasteful number, since it uses less digits than its factorization.

30793108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698281 (or 7698279 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 30793108 is about 5549.1538093659. The cubic root of 30793108 is about 313.4376590384.

The spelling of 30793108 in words is "thirty million, seven hundred ninety-three thousand, one hundred eight".

Divisors: 1 2 4 7698277 15396554 30793108