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30930795 = 335771461
BaseRepresentation
bin111010111111…
…1011101101011
32011012110002000
41311333131223
530404241140
63022542043
7523623150
oct165773553
964173060
1030930795
1116506845
12a437923
13653c85c
144172227
152aaea30
hex1d7f76b

30930795 has 64 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 13910400.

The previous prime is 30930787. The next prime is 30930799. The reversal of 30930795 is 59703903.

It is not a de Polignac number, because 30930795 - 23 = 30930787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30930799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66865 + ... + 67325.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 230930795 is an apocalyptic number.

30930795 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30930795 is an abundant number, since it is smaller than the sum of its proper divisors (32936085).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30930795 is a wasteful number, since it uses less digits than its factorization.

30930795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 30930795 is about 5561.5460979839. The cubic root of 30930795 is about 313.9041284387.

The spelling of 30930795 in words is "thirty million, nine hundred thirty thousand, seven hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 71 105 135 189 213 315 355 461 497 639 945 1065 1383 1491 1917 2305 2485 3195 3227 4149 4473 6915 7455 9585 9681 12447 13419 16135 20745 22365 29043 32731 48405 62235 67095 87129 98193 145215 163655 229117 294579 435645 490965 687351 883737 1145585 1472895 2062053 3436755 4418685 6186159 10310265 30930795