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80441536 = 2672113227
BaseRepresentation
bin1001100101101…
…11000011000000
312121100212001011
410302313003000
5131043112121
611552050304
71664512300
oct462670300
9177325034
1080441536
1141452a0a
1222b33994
1313886356
14a97d600
1570de7e1
hex4cb70c0

80441536 has 84 divisors (see below), whose sum is σ = 188156088. Its totient is φ = 34019328.

The previous prime is 80441533. The next prime is 80441561. The reversal of 80441536 is 63514408.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80441498 and 80441507.

It is not an unprimeable number, because it can be changed into a prime (80441531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354255 + ... + 354481.

Almost surely, 280441536 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 80441536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94078044).

80441536 is an abundant number, since it is smaller than the sum of its proper divisors (107714552).

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

80441536 is a wasteful number, since it uses less digits than its factorization.

80441536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80441536 is about 8968.9205593538. The cubic root of 80441536 is about 431.6782011365.

The spelling of 80441536 in words is "eighty million, four hundred forty-one thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 113 196 224 226 227 392 448 452 454 784 791 904 908 1568 1582 1589 1808 1816 3136 3164 3178 3616 3632 5537 6328 6356 7232 7264 11074 11123 12656 12712 14528 22148 22246 25312 25424 25651 44296 44492 50624 50848 51302 88592 88984 101696 102604 177184 177968 179557 205208 354368 355936 359114 410416 711872 718228 820832 1256899 1436456 1641664 2513798 2872912 5027596 5745824 10055192 11491648 20110384 40220768 80441536