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83450016 = 25321331719
BaseRepresentation
bin1001111100101…
…01100010100000
312211000200220100
410332111202200
5132330400031
612140342400
72032212336
oct476254240
9184020810
1083450016
1143118261
1223b44a00
131439a810
14b123b56
1574d5de6
hex4f958a0

83450016 has 144 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 24814080.

The previous prime is 83450011. The next prime is 83450021. The reversal of 83450016 is 61005438.

It is an interprime number because it is at equal distance from previous prime (83450011) and next prime (83450021).

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

It is not an unprimeable number, because it can be changed into a prime (83450011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115705 + ... + 116423.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 283450016 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 83450016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

83450016 is an abundant number, since it is smaller than the sum of its proper divisors (180726624).

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

83450016 is a wasteful number, since it uses less digits than its factorization.

83450016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 768 counting only the distinct ones).

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

The square root of 83450016 is about 9135.0980290307. The cubic root of 83450016 is about 436.9940006891.

The spelling of 83450016 in words is "eighty-three million, four hundred fifty thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 72 78 93 96 104 117 124 144 156 186 208 234 248 279 288 312 372 403 416 468 496 558 624 719 744 806 936 992 1116 1209 1248 1438 1488 1612 1872 2157 2232 2418 2876 2976 3224 3627 3744 4314 4464 4836 5752 6448 6471 7254 8628 8928 9347 9672 11504 12896 12942 14508 17256 18694 19344 22289 23008 25884 28041 29016 34512 37388 38688 44578 51768 56082 58032 66867 69024 74776 84123 89156 103536 112164 116064 133734 149552 168246 178312 200601 207072 224328 267468 289757 299104 336492 356624 401202 448656 534936 579514 672984 713248 802404 869271 897312 1069872 1159028 1345968 1604808 1738542 2139744 2318056 2607813 2691936 3209616 3477084 4636112 5215626 6419232 6954168 9272224 10431252 13908336 20862504 27816672 41725008 83450016