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30499080 = 2335416199
BaseRepresentation
bin111010001011…
…0000100001000
32010101111212120
41310112010020
530301432310
63005411240
7520144413
oct164260410
963344776
1030499080
1116241457
12a269b20
13641b1c1
14409cb7a
152a26b70
hex1d16108

30499080 has 64 divisors (see below), whose sum is σ = 93744000. Its totient is φ = 7933440.

The previous prime is 30499069. The next prime is 30499087. The reversal of 30499080 is 8099403.

It is not an unprimeable number, because it can be changed into a prime (30499087) 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, 1821 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (1464750).

Almost surely, 230499080 is an apocalyptic number.

30499080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30499080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46872000).

30499080 is an abundant number, since it is smaller than the sum of its proper divisors (63244920).

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

30499080 is a wasteful number, since it uses less digits than its factorization.

30499080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254 (or 6250 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 30499080 is about 5522.5972150792. The cubic root of 30499080 is about 312.4368469716.

The spelling of 30499080 in words is "thirty million, four hundred ninety-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 6199 12398 18597 24796 30995 37194 49592 61990 74388 92985 123980 148776 185970 247960 254159 371940 508318 743880 762477 1016636 1270795 1524954 2033272 2541590 3049908 3812385 5083180 6099816 7624770 10166360 15249540 30499080