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30489692 = 227622423
BaseRepresentation
bin111010001001…
…1110001011100
32010101000222212
41310103301130
530301132232
63005255552
7520105142
oct164236134
963330885
1030489692
11162353a2
12a2645b8
136416b4c
144099592
152a23eb2
hex1d13c5c

30489692 has 6 divisors (see below), whose sum is σ = 53356968. Its totient is φ = 15244844.

The previous prime is 30489673. The next prime is 30489703. The reversal of 30489692 is 29698403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811208 + ... + 3811215.

It is an arithmetic number, because the mean of its divisors is an integer number (8892828).

Almost surely, 230489692 is an apocalyptic number.

It is an amenable number.

30489692 is a deficient number, since it is larger than the sum of its proper divisors (22867276).

30489692 is a wasteful number, since it uses less digits than its factorization.

30489692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622427 (or 7622425 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 30489692 is about 5521.7471872588. The cubic root of 30489692 is about 312.4047863529.

The spelling of 30489692 in words is "thirty million, four hundred eighty-nine thousand, six hundred ninety-two".

Divisors: 1 2 4 7622423 15244846 30489692