[go: up one dir, main page]

Search a number
-
+
83620368 = 243213192351
BaseRepresentation
bin1001111101111…
…11001000010000
312211100100120200
410332333020100
5132401322433
612144135200
72033522106
oct476771020
9184310520
1083620368
1143224247
1224007500
131442a210
14b169c76
15751b613
hex4fbf210

83620368 has 120 divisors (see below), whose sum is σ = 265399680. Its totient is φ = 24364800.

The previous prime is 83620357. The next prime is 83620391. The reversal of 83620368 is 86302638.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34393 + ... + 36743.

It is an arithmetic number, because the mean of its divisors is an integer number (2211664).

Almost surely, 283620368 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 83620368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132699840).

83620368 is an abundant number, since it is smaller than the sum of its proper divisors (181779312).

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

83620368 is a wasteful number, since it uses less digits than its factorization.

83620368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2388 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 83620368 is about 9144.4173133120. The cubic root of 83620368 is about 437.2911534358.

The spelling of 83620368 in words is "eighty-three million, six hundred twenty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 19 24 26 36 38 39 48 52 57 72 76 78 104 114 117 144 152 156 171 208 228 234 247 304 312 342 456 468 494 624 684 741 912 936 988 1368 1482 1872 1976 2223 2351 2736 2964 3952 4446 4702 5928 7053 8892 9404 11856 14106 17784 18808 21159 28212 30563 35568 37616 42318 44669 56424 61126 84636 89338 91689 112848 122252 134007 169272 178676 183378 244504 268014 275067 338544 357352 366756 402021 489008 536028 550134 580697 714704 733512 804042 1072056 1100268 1161394 1467024 1608084 1742091 2144112 2200536 2322788 3216168 3484182 4401072 4645576 5226273 6432336 6968364 9291152 10452546 13936728 20905092 27873456 41810184 83620368