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80744060 = 22583127383
BaseRepresentation
bin1001101000000…
…00111001111100
312121221020000202
410310000321330
5131132302220
612002343032
72000212265
oct464007174
9177836022
1080744060
114163a231
122305aa78
1313960c67
14aa1b96c
15714e275
hex4d00e7c

80744060 has 48 divisors (see below), whose sum is σ = 173408256. Its totient is φ = 31574592.

The previous prime is 80744017. The next prime is 80744087. The reversal of 80744060 is 6044708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210629 + ... + 211011.

It is an arithmetic number, because the mean of its divisors is an integer number (3612672).

Almost surely, 280744060 is an apocalyptic number.

It is an amenable number.

80744060 is an abundant number, since it is smaller than the sum of its proper divisors (92664196).

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

80744060 is a wasteful number, since it uses less digits than its factorization.

80744060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 80744060 is about 8985.7698612862. The cubic root of 80744060 is about 432.2186750122.

Adding to 80744060 its reverse (6044708), we get a palindrome (86788768).

The spelling of 80744060 in words is "eighty million, seven hundred forty-four thousand, sixty".

Divisors: 1 2 4 5 10 20 83 127 166 254 332 383 415 508 635 766 830 1270 1532 1660 1915 2540 3830 7660 10541 21082 31789 42164 48641 52705 63578 97282 105410 127156 158945 194564 210820 243205 317890 486410 635780 972820 4037203 8074406 16148812 20186015 40372030 80744060