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80194296 = 23371373503
BaseRepresentation
bin1001100011110…
…10101011111000
312120220021220010
410301322223320
5131012204141
611542501520
71662432420
oct461725370
9176807803
1080194296
11412a4186
1222a348a0
13137ca960
14a917480
157091416
hex4c7aaf8

80194296 has 128 divisors (see below), whose sum is σ = 250629120. Its totient is φ = 20818944.

The previous prime is 80194259. The next prime is 80194297. The reversal of 80194296 is 69249108.

It is a super-2 number, since 2×801942962 = 12862250221871232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80194297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159181 + ... + 159683.

It is an arithmetic number, because the mean of its divisors is an integer number (1958040).

Almost surely, 280194296 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 80194296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125314560).

80194296 is an abundant number, since it is smaller than the sum of its proper divisors (170434824).

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

80194296 is a wasteful number, since it uses less digits than its factorization.

80194296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 80194296 is about 8955.1267997723. The cubic root of 80194296 is about 431.2354876864.

It can be divided in two parts, 80 and 194296, that added together give a triangular number (194376 = T623).

The spelling of 80194296 in words is "eighty million, one hundred ninety-four thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 73 78 84 91 104 146 156 168 182 219 273 292 312 364 438 503 511 546 584 728 876 949 1006 1022 1092 1509 1533 1752 1898 2012 2044 2184 2847 3018 3066 3521 3796 4024 4088 5694 6036 6132 6539 6643 7042 7592 10563 11388 12072 12264 13078 13286 14084 19617 19929 21126 22776 26156 26572 28168 36719 39234 39858 42252 45773 52312 53144 73438 78468 79716 84504 91546 110157 137319 146876 156936 159432 183092 220314 257033 274638 293752 366184 440628 477347 514066 549276 771099 881256 954694 1028132 1098552 1432041 1542198 1909388 2056264 2864082 3084396 3341429 3818776 5728164 6168792 6682858 10024287 11456328 13365716 20048574 26731432 40097148 80194296