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10386240 = 263531349
BaseRepresentation
bin100111100111…
…101101000000
3201112200020120
4213213231000
510124324430
61010340240
7154165404
oct47475500
921480216
1010386240
115954377
12358a680
1321c8607
141545104
15da2610
hex9e7b40

10386240 has 112 divisors (see below), whose sum is σ = 34137600. Its totient is φ = 2672640.

The previous prime is 10386227. The next prime is 10386247. The reversal of 10386240 is 4268301.

It is a happy number.

10386240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10386240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10386247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29586 + ... + 29934.

It is an arithmetic number, because the mean of its divisors is an integer number (304800).

Almost surely, 210386240 is an apocalyptic number.

10386240 is a gapful number since it is divisible by the number (10) 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 10386240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17068800).

10386240 is an abundant number, since it is smaller than the sum of its proper divisors (23751360).

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

10386240 is a wasteful number, since it uses less digits than its factorization.

10386240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 10386240 is about 3222.7689957550. The cubic root of 10386240 is about 218.1822676758.

The spelling of 10386240 in words is "ten million, three hundred eighty-six thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 155 160 186 192 240 248 310 320 349 372 465 480 496 620 698 744 930 960 992 1047 1240 1396 1488 1745 1860 1984 2094 2480 2792 2976 3490 3720 4188 4960 5235 5584 5952 6980 7440 8376 9920 10470 10819 11168 13960 14880 16752 20940 21638 22336 27920 29760 32457 33504 41880 43276 54095 55840 64914 67008 83760 86552 108190 111680 129828 162285 167520 173104 216380 259656 324570 335040 346208 432760 519312 649140 692416 865520 1038624 1298280 1731040 2077248 2596560 3462080 5193120 10386240