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230064620 = 22543267517
BaseRepresentation
bin11011011011010…
…00000111101100
3121000220111022212
431231220013230
5432344031440
634455025552
75462342222
oct1555500754
9530814285
10230064620
11108957a55
126506b2b8
1338882816
14227aab12
15152e7465
hexdb681ec

230064620 has 24 divisors (see below), whose sum is σ = 494373264. Its totient is φ = 89885376.

The previous prime is 230064617. The next prime is 230064643. The reversal of 230064620 is 26460032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132899 + ... + 134618.

It is an arithmetic number, because the mean of its divisors is an integer number (20598886).

Almost surely, 2230064620 is an apocalyptic number.

230064620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230064620 is an abundant number, since it is smaller than the sum of its proper divisors (264308644).

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

230064620 is a wasteful number, since it uses less digits than its factorization.

230064620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267569 (or 267567 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 230064620 is about 15167.8811967921. The cubic root of 230064620 is about 612.7499421408.

The spelling of 230064620 in words is "two hundred thirty million, sixty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 267517 535034 1070068 1337585 2675170 5350340 11503231 23006462 46012924 57516155 115032310 230064620