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80444004 = 2237279221
BaseRepresentation
bin1001100101101…
…11101001100100
312121100222102120
410302313221210
5131043202004
611552105540
71664522424
oct462675144
9177328376
1080444004
1141454853
1222b352b0
1313887504
14a980484
1570e03d9
hex4cb7a64

80444004 has 24 divisors (see below), whose sum is σ = 187981248. Its totient is φ = 26774880.

The previous prime is 80443997. The next prime is 80444047. The reversal of 80444004 is 40044408.

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, 4114 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (7832552).

Almost surely, 280444004 is an apocalyptic number.

It is an amenable number.

80444004 is an abundant number, since it is smaller than the sum of its proper divisors (107537244).

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

80444004 is a wasteful number, since it uses less digits than its factorization.

80444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955 (or 9953 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 80444004 is about 8969.0581445322. The cubic root of 80444004 is about 431.6826158164.

The spelling of 80444004 in words is "eighty million, four hundred forty-four thousand, four".

Divisors: 1 2 3 4 6 12 727 1454 2181 2908 4362 8724 9221 18442 27663 36884 55326 110652 6703667 13407334 20111001 26814668 40222002 80444004