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30088008 = 2332509821
BaseRepresentation
bin111001011000…
…1101101001000
32002121121222200
41302301231020
530200304013
62552520200
7513513066
oct162615510
962547880
1030088008
1115a90625
12a0b0060
136306072
143dd3036
152994e73
hex1cb1b48

30088008 has 48 divisors (see below), whose sum is σ = 81747900. Its totient is φ = 9997440.

The previous prime is 30087997. The next prime is 30088021. The reversal of 30088008 is 80088003.

It can be written as a sum of positive squares in 2 ways, for example, as 30008484 + 79524 = 5478^2 + 282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36238 + ... + 37058.

Almost surely, 230088008 is an apocalyptic number.

It is an amenable number.

30088008 is an abundant number, since it is smaller than the sum of its proper divisors (51659892).

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

30088008 is a wasteful number, since it uses less digits than its factorization.

30088008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 30088008 is about 5485.2536860204. The cubic root of 30088008 is about 311.0267998672.

The spelling of 30088008 in words is "thirty million, eighty-eight thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 509 821 1018 1527 1642 2036 2463 3054 3284 4072 4581 4926 6108 6568 7389 9162 9852 12216 14778 18324 19704 29556 36648 59112 417889 835778 1253667 1671556 2507334 3343112 3761001 5014668 7522002 10029336 15044004 30088008