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290414040 = 23357345731
BaseRepresentation
bin10001010011110…
…101110111011000
3202020110120011120
4101103311313120
51043321222130
644452325240
710124323110
oct2123656730
9666416146
10290414040
11139a27404
1281313820
1348222837
142a7da040
151a768910
hex114f5dd8

290414040 has 64 divisors (see below), whose sum is σ = 995708160. Its totient is φ = 66380160.

The previous prime is 290414021. The next prime is 290414053. The reversal of 290414040 is 40414092.

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 290414040.

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, 172026 + ... + 173705.

It is an arithmetic number, because the mean of its divisors is an integer number (15557940).

Almost surely, 2290414040 is an apocalyptic number.

290414040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290414040 is an abundant number, since it is smaller than the sum of its proper divisors (705294120).

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

290414040 is a wasteful number, since it uses less digits than its factorization.

290414040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345752 (or 345748 counting only the distinct ones).

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

The square root of 290414040 is about 17041.5386629260. The cubic root of 290414040 is about 662.2254535841.

The spelling of 290414040 in words is "two hundred ninety million, four hundred fourteen thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 345731 691462 1037193 1382924 1728655 2074386 2420117 2765848 3457310 4148772 4840234 5185965 6914620 7260351 8297544 9680468 10371930 12100585 13829240 14520702 19360936 20743860 24201170 29041404 36301755 41487720 48402340 58082808 72603510 96804680 145207020 290414040