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80411052 = 2236700921
BaseRepresentation
bin1001100101011…
…11100110101100
312121022022020010
410302233212230
5131041123202
611551253220
71664324361
oct462574654
9177268203
1080411052
1141432017
1222b1a210
1313875507
14a972468
1570d576c
hex4caf9ac

80411052 has 12 divisors (see below), whose sum is σ = 187625816. Its totient is φ = 26803680.

The previous prime is 80411029. The next prime is 80411053. The reversal of 80411052 is 25011408.

Added to its reverse (25011408) it gives a triangular number (105422460 = T14520).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (80411053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350449 + ... + 3350472.

Almost surely, 280411052 is an apocalyptic number.

It is an amenable number.

80411052 is an abundant number, since it is smaller than the sum of its proper divisors (107214764).

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

80411052 is a wasteful number, since it uses less digits than its factorization.

80411052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700928 (or 6700926 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 80411052 is about 8967.2209741926. The cubic root of 80411052 is about 431.6236648792.

Adding to 80411052 its reverse (25011408), we get a triangular number (105422460 = T14520).

The spelling of 80411052 in words is "eighty million, four hundred eleven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 6700921 13401842 20102763 26803684 40205526 80411052