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80248704 = 2731719647
BaseRepresentation
bin1001100100001…
…11111110000000
312121000001112020
410302013332000
5131020424304
611544001440
71663050144
oct462077600
9177001466
1080248704
1141331048
1222a60280
1313819653
14a92d224
1570a25d9
hex4c87f80

80248704 has 128 divisors (see below), whose sum is σ = 237945600. Its totient is φ = 23814144.

The previous prime is 80248697. The next prime is 80248717. The reversal of 80248704 is 40784208.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123709 + ... + 124355.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 280248704 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 80248704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118972800).

80248704 is an abundant number, since it is smaller than the sum of its proper divisors (157696896).

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

80248704 is a wasteful number, since it uses less digits than its factorization.

80248704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 80248704 is about 8958.1640976263. The cubic root of 80248704 is about 431.3329898675.

The spelling of 80248704 in words is "eighty million, two hundred forty-eight thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 17 19 24 32 34 38 48 51 57 64 68 76 96 102 114 128 136 152 192 204 228 272 304 323 384 408 456 544 608 646 647 816 912 969 1088 1216 1292 1294 1632 1824 1938 1941 2176 2432 2584 2588 3264 3648 3876 3882 5168 5176 6528 7296 7752 7764 10336 10352 10999 12293 15504 15528 20672 20704 21998 24586 31008 31056 32997 36879 41344 41408 43996 49172 62016 62112 65994 73758 82816 87992 98344 124032 124224 131988 147516 175984 196688 208981 248448 263976 295032 351968 393376 417962 527952 590064 626943 703936 786752 835924 1055904 1180128 1253886 1407872 1573504 1671848 2111808 2360256 2507772 3343696 4223616 4720512 5015544 6687392 10031088 13374784 20062176 26749568 40124352 80248704