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80044384 = 257477603
BaseRepresentation
bin1001100010101…
…10000101100000
312120121200020211
410301112011200
5130442410014
611535343504
71661236360
oct461260540
9176550224
1080044384
1141201592
1222981b94
1313777654
14a8b89a0
157061cc4
hex4c56160

80044384 has 48 divisors (see below), whose sum is σ = 183955968. Its totient is φ = 33570432.

The previous prime is 80044373. The next prime is 80044399. The reversal of 80044384 is 48344008.

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, 6727 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (3832416).

Almost surely, 280044384 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 80044384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91977984).

80044384 is an abundant number, since it is smaller than the sum of its proper divisors (103911584).

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

80044384 is a wasteful number, since it uses less digits than its factorization.

80044384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 80044384 is about 8946.7527069882. The cubic root of 80044384 is about 430.9666086322.

The spelling of 80044384 in words is "eighty million, forty-four thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 47 56 94 112 188 224 329 376 658 752 1316 1504 2632 5264 7603 10528 15206 30412 53221 60824 106442 121648 212884 243296 357341 425768 714682 851536 1429364 1703072 2501387 2858728 5002774 5717456 10005548 11434912 20011096 40022192 80044384