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80490696 = 233111347499
BaseRepresentation
bin1001100110000…
…11000011001000
312121110100110220
410303003003020
5131101200241
611553110040
71665105516
oct463030310
9177410426
1080490696
1141486940
1222b58320
13138a2840
14a9934b6
1570ee166
hex4cc30c8

80490696 has 128 divisors (see below), whose sum is σ = 241920000. Its totient is φ = 21991680.

The previous prime is 80490679. The next prime is 80490703. The reversal of 80490696 is 69609408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161055 + ... + 161553.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 280490696 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 80490696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120960000).

80490696 is an abundant number, since it is smaller than the sum of its proper divisors (161429304).

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

80490696 is a wasteful number, since it uses less digits than its factorization.

80490696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 80490696 is about 8971.6607158318. The cubic root of 80490696 is about 431.7661199734.

The spelling of 80490696 in words is "eighty million, four hundred ninety thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 47 52 66 78 88 94 104 132 141 143 156 188 264 282 286 312 376 429 499 517 564 572 611 858 998 1034 1128 1144 1222 1497 1551 1716 1833 1996 2068 2444 2994 3102 3432 3666 3992 4136 4888 5489 5988 6204 6487 6721 7332 10978 11976 12408 12974 13442 14664 16467 19461 20163 21956 23453 25948 26884 32934 38922 40326 43912 46906 51896 53768 65868 70359 71357 77844 80652 93812 131736 140718 142714 155688 161304 187624 214071 257983 281436 285428 304889 428142 515966 562872 570856 609778 773949 856284 914667 1031932 1219556 1547898 1712568 1829334 2063864 2439112 3095796 3353779 3658668 6191592 6707558 7317336 10061337 13415116 20122674 26830232 40245348 80490696