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30772075 = 524726189
BaseRepresentation
bin111010101100…
…0101101101011
32010220101100111
41311120231223
530334201300
63015315151
7522362335
oct165305553
963811314
1030772075
1116408574
12a37bab7
1364b5539
144130455
152a7c9ba
hex1d58b6b

30772075 has 12 divisors (see below), whose sum is σ = 38970720. Its totient is φ = 24092960.

The previous prime is 30772067. The next prime is 30772081. The reversal of 30772075 is 57027703.

It is not a de Polignac number, because 30772075 - 23 = 30772067 is a prime.

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, 11920 + ... + 14269.

It is an arithmetic number, because the mean of its divisors is an integer number (3247560).

Almost surely, 230772075 is an apocalyptic number.

30772075 is a deficient number, since it is larger than the sum of its proper divisors (8198645).

30772075 is a wasteful number, since it uses less digits than its factorization.

30772075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246 (or 26241 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 30772075 is about 5547.2583318248. The cubic root of 30772075 is about 313.3662790417.

Adding to 30772075 its reverse (57027703), we get a palindrome (87799778).

The spelling of 30772075 in words is "thirty million, seven hundred seventy-two thousand, seventy-five".

Divisors: 1 5 25 47 235 1175 26189 130945 654725 1230883 6154415 30772075