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30843092 = 22723471019
BaseRepresentation
bin111010110101…
…0000011010100
32011000222202202
41311222003110
530343434332
63021024032
7523106360
oct165520324
964028682
1030843092
1116456965
12a3b5018
13650b967
14414c2a0
152a93a62
hex1d6a0d4

30843092 has 48 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 12362592.

The previous prime is 30843091. The next prime is 30843097. The reversal of 30843092 is 29034803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30843091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29759 + ... + 30777.

It is an arithmetic number, because the mean of its divisors is an integer number (1370880).

Almost surely, 230843092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30843092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32901120).

30843092 is an abundant number, since it is smaller than the sum of its proper divisors (34959148).

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

30843092 is a wasteful number, since it uses less digits than its factorization.

30843092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30843092 is about 5553.6557329384. The cubic root of 30843092 is about 313.6071601560.

Adding to 30843092 its reverse (29034803), we get a palindrome (59877895).

The spelling of 30843092 in words is "thirty million, eight hundred forty-three thousand, ninety-two".

Divisors: 1 2 4 7 14 23 28 46 47 92 94 161 188 322 329 644 658 1019 1081 1316 2038 2162 4076 4324 7133 7567 14266 15134 23437 28532 30268 46874 47893 93748 95786 164059 191572 328118 335251 656236 670502 1101539 1341004 2203078 4406156 7710773 15421546 30843092