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3238074990 = 2325711094649
BaseRepresentation
bin1100000100000001…
…0001101001101110
322100200000020211100
43001000101221232
523112421344430
61253151103530
7143146116603
oct30100215156
98320006740
103238074990
111411899737
12764511ba6
133c7b10107
1422a09a6aa
1513e41e960
hexc1011a6e

3238074990 has 96 divisors (see below), whose sum is σ = 8617752000. Its totient is φ = 843333120.

The previous prime is 3238074979. The next prime is 3238074991. The reversal of 3238074990 is 994708323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238074991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694186 + ... + 698834.

It is an arithmetic number, because the mean of its divisors is an integer number (89768250).

Almost surely, 23238074990 is an apocalyptic number.

3238074990 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 3238074990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4308876000).

3238074990 is an abundant number, since it is smaller than the sum of its proper divisors (5379677010).

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

3238074990 is a wasteful number, since it uses less digits than its factorization.

3238074990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4839 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3238074990 is about 56904.0858814198. The cubic root of 3238074990 is about 1479.4341320404.

The spelling of 3238074990 in words is "three billion, two hundred thirty-eight million, seventy-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 71 90 109 142 213 218 327 355 426 545 639 654 710 981 1065 1090 1278 1635 1962 2130 3195 3270 4649 4905 6390 7739 9298 9810 13947 15478 23217 23245 27894 38695 41841 46434 46490 69651 69735 77390 83682 116085 139302 139470 209205 232170 330079 348255 418410 506741 660158 696510 990237 1013482 1520223 1650395 1980474 2533705 2970711 3040446 3300790 4560669 4951185 5067410 5941422 7601115 9121338 9902370 14853555 15202230 22803345 29707110 35978611 45606690 71957222 107935833 179893055 215871666 323807499 359786110 539679165 647614998 1079358330 1619037495 3238074990