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80434016 = 2513239809
BaseRepresentation
bin1001100101101…
…01001101100000
312121100110201122
410302311031200
5131042342031
611551551412
71664451335
oct462651540
9177313648
1080434016
11414482a3
1222b2b568
1313882ac0
14a97a98c
1570dc47b
hex4cb5360

80434016 has 48 divisors (see below), whose sum is σ = 171460800. Its totient is φ = 36922368.

The previous prime is 80434007. The next prime is 80434027. The reversal of 80434016 is 61043408.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99020 + ... + 99828.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 280434016 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 80434016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85730400).

80434016 is an abundant number, since it is smaller than the sum of its proper divisors (91026784).

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

80434016 is a wasteful number, since it uses less digits than its factorization.

80434016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 80434016 is about 8968.5013240786. The cubic root of 80434016 is about 431.6647490428.

The spelling of 80434016 in words is "eighty million, four hundred thirty-four thousand, sixteen".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 239 416 478 809 956 1618 1912 3107 3236 3824 6214 6472 7648 10517 12428 12944 21034 24856 25888 42068 49712 84136 99424 168272 193351 336544 386702 773404 1546808 2513563 3093616 5027126 6187232 10054252 20108504 40217008 80434016