Search a number
-
+
368305080 = 233511133127
BaseRepresentation
bin10101111100111…
…110001110111000
3221200000211120220
4111330332032320
51223241230310
6100314020040
712061353513
oct2574761670
9850024526
10368305080
11179998070
12a3417620
135b3c5000
1436cb3d7a
1522502670
hex15f3e3b8

368305080 has 256 divisors, whose sum is σ = 1316044800. Its totient is φ = 81768960.

The previous prime is 368305061. The next prime is 368305087. The reversal of 368305080 is 80503863.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368305087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2899977 + ... + 2900103.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 2368305080 is an apocalyptic number.

368305080 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 368305080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658022400).

368305080 is an abundant number, since it is smaller than the sum of its proper divisors (947739720).

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

368305080 is a wasteful number, since it uses less digits than its factorization.

368305080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 368305080 is about 19191.2761430813. The cubic root of 368305080 is about 716.8075478103.

The spelling of 368305080 in words is "three hundred sixty-eight million, three hundred five thousand, eighty".