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456868980 = 223254367881
BaseRepresentation
bin11011001110110…
…100010001110100
31011211200100102100
4123032310101310
51413424301410
6113200142100
714215215351
oct3316642164
91154610370
10456868980
11214988477
12109007930
1373863399
1444969628
152a1988c0
hex1b3b4474

456868980 has 144 divisors (see below), whose sum is σ = 1440863424. Its totient is φ = 117089280.

The previous prime is 456868949. The next prime is 456868981. The reversal of 456868980 is 89868654.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456868981) 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, 518140 + ... + 519020.

It is an arithmetic number, because the mean of its divisors is an integer number (10005996).

Almost surely, 2456868980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 456868980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720431712).

456868980 is an abundant number, since it is smaller than the sum of its proper divisors (983994444).

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

456868980 is a wasteful number, since it uses less digits than its factorization.

456868980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 456868980 is about 21374.4936782138. The cubic root of 456868980 is about 770.1888444446.

The spelling of 456868980 in words is "four hundred fifty-six million, eight hundred sixty-eight thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 60 67 86 90 129 134 172 180 201 215 258 268 335 387 402 430 516 603 645 670 774 804 860 881 1005 1206 1290 1340 1548 1762 1935 2010 2412 2580 2643 2881 3015 3524 3870 4020 4405 5286 5762 6030 7740 7929 8643 8810 10572 11524 12060 13215 14405 15858 17286 17620 25929 26430 28810 31716 34572 37883 39645 43215 51858 52860 57620 59027 75766 79290 86430 103716 113649 118054 129645 151532 158580 172860 177081 189415 227298 236108 259290 295135 340947 354162 378830 454596 518580 531243 568245 590270 681894 708324 757660 885405 1062486 1136490 1180540 1363788 1704735 1770810 2124972 2272980 2538161 2656215 3409470 3541620 5076322 5312430 6818940 7614483 10152644 10624860 12690805 15228966 22843449 25381610 30457932 38072415 45686898 50763220 76144830 91373796 114217245 152289660 228434490 456868980