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80048541 = 331881977
BaseRepresentation
bin1001100010101…
…11000110011101
312120121212221210
410301113012131
5130443023131
611535415033
71661254446
oct461270635
9176555853
1080048541
1141204721
1222984479
1313779501
14a8ba2cd
157063146
hex4c5719d

80048541 has 16 divisors (see below), whose sum is σ = 110412288. Its totient is φ = 51532800.

The previous prime is 80048513. The next prime is 80048543. The reversal of 80048541 is 14584008.

It is not a de Polignac number, because 80048541 - 211 = 80046493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80048499 and 80048508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80048543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81445 + ... + 82421.

It is an arithmetic number, because the mean of its divisors is an integer number (6900768).

Almost surely, 280048541 is an apocalyptic number.

It is an amenable number.

80048541 is a deficient number, since it is larger than the sum of its proper divisors (30363747).

80048541 is a wasteful number, since it uses less digits than its factorization.

80048541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 80048541 is about 8946.9850229002. The cubic root of 80048541 is about 430.9740690647.

The spelling of 80048541 in words is "eighty million, forty-eight thousand, five hundred forty-one".

Divisors: 1 3 31 93 881 977 2643 2931 27311 30287 81933 90861 860737 2582211 26682847 80048541