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82783152 = 24321979383
BaseRepresentation
bin1001110111100…
…10101110110000
312202202211010200
410323302232300
5132143030102
612114155200
72023434204
oct473625660
9182684120
1082783152
1142802231
1223882b00
13141c611a
14adccb04
15740351c
hex4ef2bb0

82783152 has 120 divisors (see below), whose sum is σ = 247603200. Its totient is φ = 25743744.

The previous prime is 82783109. The next prime is 82783159. The reversal of 82783152 is 25138728.

82783152 = T1408 + T1409 + ... + T1486.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82783159) 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, 215953 + ... + 216335.

It is an arithmetic number, because the mean of its divisors is an integer number (2063360).

Almost surely, 282783152 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 82783152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123801600).

82783152 is an abundant number, since it is smaller than the sum of its proper divisors (164820048).

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

82783152 is a wasteful number, since it uses less digits than its factorization.

82783152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 486 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 82783152 is about 9098.5247155789. The cubic root of 82783152 is about 435.8268537859.

The spelling of 82783152 in words is "eighty-two million, seven hundred eighty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 79 114 144 152 158 171 228 237 304 316 342 383 456 474 632 684 711 766 912 948 1149 1264 1368 1422 1501 1532 1896 2298 2736 2844 3002 3064 3447 3792 4503 4596 5688 6004 6128 6894 7277 9006 9192 11376 12008 13509 13788 14554 18012 18384 21831 24016 27018 27576 29108 30257 36024 43662 54036 55152 58216 60514 65493 72048 87324 90771 108072 116432 121028 130986 174648 181542 216144 242056 261972 272313 349296 363084 484112 523944 544626 574883 726168 1047888 1089252 1149766 1452336 1724649 2178504 2299532 3449298 4357008 4599064 5173947 6898596 9198128 10347894 13797192 20695788 27594384 41391576 82783152