Search a number
-
+
38116380 = 22351737369
BaseRepresentation
bin1001000101100…
…1110000011100
32122201111211210
42101121300130
534224211010
63440544420
7641661321
oct221316034
978644753
1038116380
111a574445
1210922110
137b87393
1450c2b48
15352db20
hex2459c1c

38116380 has 48 divisors (see below), whose sum is σ = 113006880. Its totient is φ = 9566208.

The previous prime is 38116373. The next prime is 38116417. The reversal of 38116380 is 8361183.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17665 + ... + 19704.

It is an arithmetic number, because the mean of its divisors is an integer number (2354310).

Almost surely, 238116380 is an apocalyptic number.

38116380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38116380 is an abundant number, since it is smaller than the sum of its proper divisors (74890500).

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

38116380 is a wasteful number, since it uses less digits than its factorization.

38116380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37398 (or 37396 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 38116380 is about 6173.8464509575. The cubic root of 38116380 is about 336.5404072947.

It can be divided in two parts, 381 and 16380, that added together give a palindrome (16761).

The spelling of 38116380 in words is "thirty-eight million, one hundred sixteen thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 37369 74738 112107 149476 186845 224214 373690 448428 560535 635273 747380 1121070 1270546 1905819 2242140 2541092 3176365 3811638 6352730 7623276 9529095 12705460 19058190 38116380