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30430892 = 2224473109
BaseRepresentation
bin111010000010…
…1011010101100
32010021001100002
41310011122230
530242242032
63004123432
7516441542
oct164053254
963231302
1030430892
11161a51a8
12a236578
1363c615b
144081d92
152a11862
hex1d056ac

30430892 has 12 divisors (see below), whose sum is σ = 53292960. Its totient is φ = 15204336.

The previous prime is 30430849. The next prime is 30430903. The reversal of 30430892 is 29803403.

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, 8234 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (4441080).

Almost surely, 230430892 is an apocalyptic number.

It is an amenable number.

30430892 is a deficient number, since it is larger than the sum of its proper divisors (22862068).

30430892 is a wasteful number, since it uses less digits than its factorization.

30430892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30430892 is about 5516.4202160459. The cubic root of 30430892 is about 312.2038307568.

The spelling of 30430892 in words is "thirty million, four hundred thirty thousand, eight hundred ninety-two".

Divisors: 1 2 4 2447 3109 4894 6218 9788 12436 7607723 15215446 30430892