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80744916 = 22376714347
BaseRepresentation
bin1001101000000…
…01000111010100
312121221021012110
410310001013110
5131132314131
612002351020
72000214630
oct464010724
9177837173
1080744916
114163a93a
122305b470
1313961475
14aa1bdc0
15714e646
hex4d011d4

80744916 has 48 divisors (see below), whose sum is σ = 218548736. Its totient is φ = 22724064.

The previous prime is 80744899. The next prime is 80744921. The reversal of 80744916 is 61944708.

It is a happy number.

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, 1546 + ... + 12801.

Almost surely, 280744916 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 80744916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109274368).

80744916 is an abundant number, since it is smaller than the sum of its proper divisors (137803820).

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

80744916 is a wasteful number, since it uses less digits than its factorization.

80744916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428 (or 14426 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80744916 is about 8985.8174920260. The cubic root of 80744916 is about 432.2202023810.

The spelling of 80744916 in words is "eighty million, seven hundred forty-four thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 67 84 134 201 268 402 469 804 938 1407 1876 2814 5628 14347 28694 43041 57388 86082 100429 172164 200858 301287 401716 602574 961249 1205148 1922498 2883747 3844996 5767494 6728743 11534988 13457486 20186229 26914972 40372458 80744916