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80494344 = 23337139383
BaseRepresentation
bin1001100110000…
…11111100001000
312121110112111000
410303003330020
5131101304334
611553135000
71665122250
oct463037410
9177415430
1080494344
1141489657
1222b5a460
13138a43b8
14a994960
157100299
hex4cc3f08

80494344 has 128 divisors (see below), whose sum is σ = 258048000. Its totient is φ = 22773312.

The previous prime is 80494339. The next prime is 80494361. The reversal of 80494344 is 44349408.

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

It is a junction number, because it is equal to n+sod(n) for n = 80494299 and 80494308.

It is a congruent number.

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, 209977 + ... + 210359.

It is an arithmetic number, because the mean of its divisors is an integer number (2016000).

Almost surely, 280494344 is an apocalyptic number.

80494344 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80494344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129024000).

80494344 is an abundant number, since it is smaller than the sum of its proper divisors (177553656).

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

80494344 is a wasteful number, since it uses less digits than its factorization.

80494344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 80494344 is about 8971.8640203695. The cubic root of 80494344 is about 431.7726427108.

The spelling of 80494344 in words is "eighty million, four hundred ninety-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 139 168 189 216 252 278 378 383 417 504 556 756 766 834 973 1112 1149 1251 1512 1532 1668 1946 2298 2502 2681 2919 3064 3336 3447 3753 3892 4596 5004 5362 5838 6894 7506 7784 8043 8757 9192 10008 10341 10724 11676 13788 15012 16086 17514 20682 21448 23352 24129 26271 27576 30024 32172 35028 41364 48258 52542 53237 64344 70056 72387 82728 96516 105084 106474 144774 159711 193032 210168 212948 289548 319422 372659 425896 479133 579096 638844 745318 958266 1117977 1277688 1437399 1490636 1916532 2235954 2874798 2981272 3353931 3833064 4471908 5749596 6707862 8943816 10061793 11499192 13415724 20123586 26831448 40247172 80494344