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30556002 = 2346111047
BaseRepresentation
bin111010010001…
…1111101100010
32010111101221210
41310203331202
530310243002
63010530550
7520502361
oct164437542
963441853
1030556002
11162801a4
12a296a56
13643b099
1440b57d8
152a3896c
hex1d23f62

30556002 has 16 divisors (see below), whose sum is σ = 61250112. Its totient is φ = 10162320.

The previous prime is 30555977. The next prime is 30556081. The reversal of 30556002 is 20065503.

It is a self number, because there is not a number n which added to its sum of digits gives 30556002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2758 + ... + 8289.

It is an arithmetic number, because the mean of its divisors is an integer number (3828132).

Almost surely, 230556002 is an apocalyptic number.

30556002 is an abundant number, since it is smaller than the sum of its proper divisors (30694110).

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

30556002 is a wasteful number, since it uses less digits than its factorization.

30556002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30556002 is about 5527.7483661976. The cubic root of 30556002 is about 312.6310984878.

The spelling of 30556002 in words is "thirty million, five hundred fifty-six thousand, two".

Divisors: 1 2 3 6 461 922 1383 2766 11047 22094 33141 66282 5092667 10185334 15278001 30556002