Search a number
-
+
38750250 = 2353711261
BaseRepresentation
bin1001001111010…
…0100000101010
32200220201100110
42103310200222
534410002000
63502315150
7650241330
oct223644052
980821313
1038750250
111a967700
1210b88ab6
138049a56
145209b50
153606850
hex24f482a

38750250 has 192 divisors, whose sum is σ = 123492096. Its totient is φ = 7920000.

The previous prime is 38750249. The next prime is 38750251. The reversal of 38750250 is 5205783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38750249) and next prime (38750251).

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

It is not an unprimeable number, because it can be changed into a prime (38750251) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 635220 + ... + 635280.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 238750250 is an apocalyptic number.

38750250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38750250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61746048).

38750250 is an abundant number, since it is smaller than the sum of its proper divisors (84741846).

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

38750250 is a wasteful number, since it uses less digits than its factorization.

38750250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 38750250 is about 6224.9698794452. The cubic root of 38750250 is about 338.3957003349.

The spelling of 38750250 in words is "thirty-eight million, seven hundred fifty thousand, two hundred fifty".