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30498036 = 2232541503
BaseRepresentation
bin111010001010…
…1110011110100
32010101110102220
41310111303310
530301414121
63005402340
7520141362
oct164256364
963343386
1030498036
1116240698
12a2693b0
13641a89a
14409c632
152a266c6
hex1d15cf4

30498036 has 12 divisors (see below), whose sum is σ = 71162112. Its totient is φ = 10166008.

The previous prime is 30498031. The next prime is 30498037. The reversal of 30498036 is 63089403.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30497988 and 30498006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30498031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270740 + ... + 1270763.

It is an arithmetic number, because the mean of its divisors is an integer number (5930176).

Almost surely, 230498036 is an apocalyptic number.

It is an amenable number.

30498036 is an abundant number, since it is smaller than the sum of its proper divisors (40664076).

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

30498036 is a wasteful number, since it uses less digits than its factorization.

30498036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541510 (or 2541508 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30498036 is about 5522.5026935258. The cubic root of 30498036 is about 312.4332819702.

The spelling of 30498036 in words is "thirty million, four hundred ninety-eight thousand, thirty-six".

Divisors: 1 2 3 4 6 12 2541503 5083006 7624509 10166012 15249018 30498036