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241981320 = 233572711063
BaseRepresentation
bin11100110110001…
…01011110001000
3121212022220222010
432123011132020
5443421400240
640002255520
75665543620
oct1633053610
9555286863
10241981320
11114657169
12690575a0
133b195919
14241cd880
151639d280
hexe6c5788

241981320 has 128 divisors (see below), whose sum is σ = 833495040. Its totient is φ = 55054080.

The previous prime is 241981309. The next prime is 241981331. The reversal of 241981320 is 23189142.

241981320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (241981309) and next prime (241981331).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227109 + ... + 228171.

It is an arithmetic number, because the mean of its divisors is an integer number (6511680).

Almost surely, 2241981320 is an apocalyptic number.

241981320 is a gapful number since it is divisible by the number (20) 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 241981320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416747520).

241981320 is an abundant number, since it is smaller than the sum of its proper divisors (591513720).

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

241981320 is a wasteful number, since it uses less digits than its factorization.

241981320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 241981320 is about 15555.7487765777. The cubic root of 241981320 is about 623.1519338954.

The spelling of 241981320 in words is "two hundred forty-one million, nine hundred eighty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 271 280 420 542 813 840 1063 1084 1355 1626 1897 2126 2168 2710 3189 3252 3794 4065 4252 5315 5420 5691 6378 6504 7441 7588 8130 8504 9485 10630 10840 11382 12756 14882 15176 15945 16260 18970 21260 22323 22764 25512 28455 29764 31890 32520 37205 37940 42520 44646 45528 56910 59528 63780 74410 75880 89292 111615 113820 127560 148820 178584 223230 227640 288073 297640 446460 576146 864219 892920 1152292 1440365 1728438 2016511 2304584 2880730 3456876 4033022 4321095 5761460 6049533 6913752 8066044 8642190 10082555 11522920 12099066 16132088 17284380 20165110 24198132 30247665 34568760 40330220 48396264 60495330 80660440 120990660 241981320