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30467080 = 2357233467
BaseRepresentation
bin111010000111…
…0010000001000
32010022212222101
41310032100020
530244421310
63005003144
7516652210
oct164162010
963285871
1030467080
111621a406
12a2534b4
136409777
144091240
152a1c43a
hex1d0e408

30467080 has 64 divisors (see below), whose sum is σ = 78848640. Its totient is φ = 10378752.

The previous prime is 30467071. The next prime is 30467083. The reversal of 30467080 is 8076403.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30467083) 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, 65007 + ... + 65473.

It is an arithmetic number, because the mean of its divisors is an integer number (1232010).

Almost surely, 230467080 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 30467080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39424320).

30467080 is an abundant number, since it is smaller than the sum of its proper divisors (48381560).

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

30467080 is a wasteful number, since it uses less digits than its factorization.

30467080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30467080 is about 5519.6992671703. The cubic root of 30467080 is about 312.3275379060.

The spelling of 30467080 in words is "thirty million, four hundred sixty-seven thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 233 280 466 467 932 934 1165 1631 1864 1868 2330 2335 3262 3269 3736 4660 4670 6524 6538 8155 9320 9340 13048 13076 16310 16345 18680 26152 32620 32690 65240 65380 108811 130760 217622 435244 544055 761677 870488 1088110 1523354 2176220 3046708 3808385 4352440 6093416 7616770 15233540 30467080