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30275992 = 233784499
BaseRepresentation
bin111001101111…
…1100110011000
32002222011212001
41303133212120
530222312432
63000530344
7515225125
oct163374630
962864761
1030275992
11160a988a
12a1809b4
1363707b6
14404174c
1529d09e7
hex1cdf998

30275992 has 8 divisors (see below), whose sum is σ = 56767500. Its totient is φ = 15137992.

The previous prime is 30275989. The next prime is 30276013. The reversal of 30275992 is 29957203.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892242 + ... + 1892257.

Almost surely, 230275992 is an apocalyptic number.

It is an amenable number.

30275992 is a deficient number, since it is larger than the sum of its proper divisors (26491508).

30275992 is a wasteful number, since it uses less digits than its factorization.

30275992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784505 (or 3784501 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 30275992 is about 5502.3624017326. The cubic root of 30275992 is about 311.6732004439.

The spelling of 30275992 in words is "thirty million, two hundred seventy-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 3784499 7568998 15137996 30275992