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30499050 = 23521271601
BaseRepresentation
bin111010001011…
…0000011101010
32010101111211110
41310112003222
530301432200
63005411150
7520144341
oct164260352
963344743
1030499050
111624142a
12a269ab6
13641b19a
14409cb58
152a26b50
hex1d160ea

30499050 has 48 divisors (see below), whose sum is σ = 76280832. Its totient is φ = 8064000.

The previous prime is 30499019. The next prime is 30499069. The reversal of 30499050 is 5099403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30498999 and 30499017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18250 + ... + 19850.

It is an arithmetic number, because the mean of its divisors is an integer number (1589184).

Almost surely, 230499050 is an apocalyptic number.

30499050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30499050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38140416).

30499050 is an abundant number, since it is smaller than the sum of its proper divisors (45781782).

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

30499050 is a wasteful number, since it uses less digits than its factorization.

30499050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 30499050 is about 5522.5944989651. The cubic root of 30499050 is about 312.4367445302.

The spelling of 30499050 in words is "thirty million, four hundred ninety-nine thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 127 150 254 381 635 762 1270 1601 1905 3175 3202 3810 4803 6350 8005 9525 9606 16010 19050 24015 40025 48030 80050 120075 203327 240150 406654 609981 1016635 1219962 2033270 3049905 5083175 6099810 10166350 15249525 30499050