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30097836 = 22321038117
BaseRepresentation
bin111001011010…
…0000110101100
32002122010110200
41302310012230
530201112321
62553033500
7513553536
oct162640654
962563420
1030097836
1115a97a4a
12a0b5890
13630a692
143dd6856
152997d26
hex1cb41ac

30097836 has 36 divisors (see below), whose sum is σ = 76828752. Its totient is φ = 9933984.

The previous prime is 30097831. The next prime is 30097841. The reversal of 30097836 is 63879003.

It is an interprime number because it is at equal distance from previous prime (30097831) and next prime (30097841).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30097836.

It is not an unprimeable number, because it can be changed into a prime (30097831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351 + ... + 7766.

It is an arithmetic number, because the mean of its divisors is an integer number (2134132).

Almost surely, 230097836 is an apocalyptic number.

30097836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30097836 is an abundant number, since it is smaller than the sum of its proper divisors (46730916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30097836 is a wasteful number, since it uses less digits than its factorization.

30097836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30097836 is about 5486.1494693455. The cubic root of 30097836 is about 311.0606609615.

The spelling of 30097836 in words is "thirty million, ninety-seven thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 8117 16234 24351 32468 48702 73053 97404 146106 292212 836051 1672102 2508153 3344204 5016306 7524459 10032612 15048918 30097836