Search a number
-
+
38683040 = 2551131709
BaseRepresentation
bin1001001110010…
…0000110100000
32200210022011012
42103210012200
534400324130
63501040052
7646541354
oct223440640
980708135
1038683040
111a921160
1210b56028
138025296
1451cd464
1535e1995
hex24e41a0

38683040 has 96 divisors (see below), whose sum is σ = 103057920. Its totient is φ = 13593600.

The previous prime is 38683037. The next prime is 38683081. The reversal of 38683040 is 4038683.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 38682988 and 38683006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54206 + ... + 54914.

It is an arithmetic number, because the mean of its divisors is an integer number (1073520).

Almost surely, 238683040 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 38683040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51528960).

38683040 is an abundant number, since it is smaller than the sum of its proper divisors (64374880).

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

38683040 is a wasteful number, since it uses less digits than its factorization.

38683040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 38683040 is about 6219.5691169083. The cubic root of 38683040 is about 338.1999447219.

The spelling of 38683040 in words is "thirty-eight million, six hundred eighty-three thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 80 88 110 124 155 160 176 220 248 310 341 352 440 496 620 682 709 880 992 1240 1364 1418 1705 1760 2480 2728 2836 3410 3545 4960 5456 5672 6820 7090 7799 10912 11344 13640 14180 15598 21979 22688 27280 28360 31196 38995 43958 54560 56720 62392 77990 87916 109895 113440 124784 155980 175832 219790 241769 249568 311960 351664 439580 483538 623920 703328 879160 967076 1208845 1247840 1758320 1934152 2417690 3516640 3868304 4835380 7736608 9670760 19341520 38683040