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290145024 = 2833133229
BaseRepresentation
bin10001010010110…
…100001100000000
3202012221220011000
4101102310030000
51043234120044
644442452000
710122122601
oct2122641400
9665856130
10290145024
11139863284
1281204000
134815a260
142a769da8
151a713d69
hex114b4300

290145024 has 144 divisors (see below), whose sum is σ = 924296800. Its totient is φ = 89247744.

The previous prime is 290145017. The next prime is 290145059. The reversal of 290145024 is 420541092.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 88242 + ... + 91470.

Almost surely, 2290145024 is an apocalyptic number.

290145024 is a gapful number since it is divisible by the number (24) 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 290145024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462148400).

290145024 is an abundant number, since it is smaller than the sum of its proper divisors (634151776).

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

290145024 is a wasteful number, since it uses less digits than its factorization.

290145024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 290145024 is about 17033.6438849707. The cubic root of 290145024 is about 662.0209131073.

The spelling of 290145024 in words is "two hundred ninety million, one hundred forty-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 128 144 156 192 208 216 234 256 288 312 351 384 416 432 468 576 624 702 768 832 864 936 1152 1248 1404 1664 1728 1872 2304 2496 2808 3229 3328 3456 3744 4992 5616 6458 6912 7488 9687 9984 11232 12916 14976 19374 22464 25832 29061 29952 38748 41977 44928 51664 58122 77496 83954 87183 89856 103328 116244 125931 154992 167908 174366 206656 232488 251862 309984 335816 348732 377793 413312 464976 503724 619968 671632 697464 755586 826624 929952 1007448 1133379 1239936 1343264 1394928 1511172 1859904 2014896 2266758 2479872 2686528 2789856 3022344 3719808 4029792 4533516 5373056 5579712 6044688 7439616 8059584 9067032 10746112 11159424 12089376 16119168 18134064 22318848 24178752 32238336 36268128 48357504 72536256 96715008 145072512 290145024