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38561248 = 2511223433
BaseRepresentation
bin1001001100011…
…0010111100000
32200120010002101
42103012113200
534332424443
63454300144
7645523315
oct223062740
980503071
1038561248
111a848700
1210ab7654
137cb1a0b
14519ad0c
1535ba84d
hex24c65e0

38561248 has 72 divisors (see below), whose sum is σ = 87275664. Its totient is φ = 16727040.

The previous prime is 38561233. The next prime is 38561249. The reversal of 38561248 is 84216583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38561249) 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 11 ways as a sum of consecutive naturals, for example, 88840 + ... + 89272.

It is an arithmetic number, because the mean of its divisors is an integer number (1212162).

Almost surely, 238561248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38561248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43637832).

38561248 is an abundant number, since it is smaller than the sum of its proper divisors (48714416).

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

38561248 is a wasteful number, since it uses less digits than its factorization.

38561248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 469 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 38561248 is about 6209.7703661247. The cubic root of 38561248 is about 337.8446352474.

It can be divided in two parts, 38561 and 248, that added together give a square (38809 = 1972).

The spelling of 38561248 in words is "thirty-eight million, five hundred sixty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 88 92 121 176 184 242 253 352 368 433 484 506 736 866 968 1012 1732 1936 2024 2783 3464 3872 4048 4763 5566 6928 8096 9526 9959 11132 13856 19052 19918 22264 38104 39836 44528 52393 76208 79672 89056 104786 109549 152416 159344 209572 219098 318688 419144 438196 838288 876392 1205039 1676576 1752784 2410078 3505568 4820156 9640312 19280624 38561248