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30088004 = 2219937799
BaseRepresentation
bin111001011000…
…1101101000100
32002121121222112
41302301231010
530200304004
62552520152
7513513062
oct162615504
962547875
1030088004
1115a90621
12a0b0058
13630606b
143dd3032
152994e6e
hex1cb1b44

30088004 has 12 divisors (see below), whose sum is σ = 52920000. Its totient is φ = 14968008.

The previous prime is 30087997. The next prime is 30088021. The reversal of 30088004 is 40088003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18104 + ... + 19695.

It is an arithmetic number, because the mean of its divisors is an integer number (4410000).

Almost surely, 230088004 is an apocalyptic number.

It is an amenable number.

30088004 is a deficient number, since it is larger than the sum of its proper divisors (22831996).

30088004 is a wasteful number, since it uses less digits than its factorization.

30088004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38002 (or 38000 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30088004 is about 5485.2533214064. The cubic root of 30088004 is about 311.0267860842.

Subtracting 30088004 from its reverse (40088003), we obtain a palindrome (9999999).

The spelling of 30088004 in words is "thirty million, eighty-eight thousand, four".

Divisors: 1 2 4 199 398 796 37799 75598 151196 7522001 15044002 30088004