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80264940 = 223572231187
BaseRepresentation
bin1001100100010…
…11111011101100
312121000212210120
410302023323230
5131021434230
611544204540
71663145400
oct462137354
9177025716
1080264940
1141342268
1222a69750
1313823b62
14a935100
1570a7310
hex4c8beec

80264940 has 144 divisors (see below), whose sum is σ = 273030912. Its totient is φ = 17533824.

The previous prime is 80264923. The next prime is 80264969. The reversal of 80264940 is 4946208.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67027 + ... + 68213.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 280264940 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 80264940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136515456).

80264940 is an abundant number, since it is smaller than the sum of its proper divisors (192765972).

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

80264940 is a wasteful number, since it uses less digits than its factorization.

80264940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80264940 is about 8959.0702642629. The cubic root of 80264940 is about 431.3620771500.

The spelling of 80264940 in words is "eighty million, two hundred sixty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 49 60 69 70 84 92 98 105 115 138 140 147 161 196 210 230 245 276 294 322 345 420 460 483 490 588 644 690 735 805 966 980 1127 1187 1380 1470 1610 1932 2254 2374 2415 2940 3220 3381 3561 4508 4748 4830 5635 5935 6762 7122 8309 9660 11270 11870 13524 14244 16618 16905 17805 22540 23740 24927 27301 33236 33810 35610 41545 49854 54602 58163 67620 71220 81903 83090 99708 109204 116326 124635 136505 163806 166180 174489 191107 232652 249270 273010 290815 327612 348978 382214 409515 498540 546020 573321 581630 697956 764428 819030 872445 955535 1146642 1163260 1337749 1638060 1744890 1911070 2293284 2675498 2866605 3489780 3822140 4013247 5350996 5733210 6688745 8026494 11466420 13377490 16052988 20066235 26754980 40132470 80264940