Search a number
-
+
38305260 = 223257243101
BaseRepresentation
bin1001001000011…
…1110111101100
32200002002221100
42102013313230
534301232020
63445003100
7643406100
oct222076754
980062840
1038305260
111a693344
12109b3490
137c22346
145131900
153569a90
hex2487dec

38305260 has 216 divisors, whose sum is σ = 139675536. Its totient is φ = 8467200.

The previous prime is 38305237. The next prime is 38305277. The reversal of 38305260 is 6250383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 379210 + ... + 379310.

It is an arithmetic number, because the mean of its divisors is an integer number (646646).

Almost surely, 238305260 is an apocalyptic number.

38305260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38305260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69837768).

38305260 is an abundant number, since it is smaller than the sum of its proper divisors (101370276).

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

38305260 is a wasteful number, since it uses less digits than its factorization.

38305260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 38305260 is about 6189.1243322460. The cubic root of 38305260 is about 337.0953834264.

The spelling of 38305260 in words is "thirty-eight million, three hundred five thousand, two hundred sixty".