Search a number
-
+
930205023 = 311127221953
BaseRepresentation
bin110111011100011…
…100110101011111
32101211100022101220
4313130130311133
53401113030043
6232145304423
732023416666
oct6734346537
92354308356
10930205023
11438092890
1221b635113
1311a940a97
148b77dddd
15569e6483
hex3771cd5f

930205023 has 16 divisors (see below), whose sum is σ = 1363685376. Its totient is φ = 559319040.

The previous prime is 930204991. The next prime is 930205037. The reversal of 930205023 is 320502039.

It is not a de Polignac number, because 930205023 - 25 = 930204991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 930204984 and 930205002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930205723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106786 + ... + 115167.

It is an arithmetic number, because the mean of its divisors is an integer number (85230336).

Almost surely, 2930205023 is an apocalyptic number.

930205023 is a deficient number, since it is larger than the sum of its proper divisors (433480353).

930205023 is a wasteful number, since it uses less digits than its factorization.

930205023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222094.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 930205023 is about 30499.2626632186. The cubic root of 930205023 is about 976.1717310548.

The spelling of 930205023 in words is "nine hundred thirty million, two hundred five thousand, twenty-three".

Divisors: 1 3 11 33 127 381 1397 4191 221953 665859 2441483 7324449 28188031 84564093 310068341 930205023