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80484479 = 235734147
BaseRepresentation
bin1001100110000…
…01100001111111
312121110000221122
410303001201333
5131101000404
611553021155
71665051425
oct463014177
9177400848
1080484479
11414821a9
1222b547bb
131389ca6a
14a991115
1570ec3be
hex4cc187f

80484479 has 4 divisors (see below), whose sum is σ = 80520984. Its totient is φ = 80447976.

The previous prime is 80484461. The next prime is 80484493. The reversal of 80484479 is 97448408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80484479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80484419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14717 + ... + 19430.

It is an arithmetic number, because the mean of its divisors is an integer number (20130246).

Almost surely, 280484479 is an apocalyptic number.

80484479 is a deficient number, since it is larger than the sum of its proper divisors (36505).

80484479 is a wasteful number, since it uses less digits than its factorization.

80484479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36504.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 80484479 is about 8971.3142292531. The cubic root of 80484479 is about 431.7550033301.

The spelling of 80484479 in words is "eighty million, four hundred eighty-four thousand, four hundred seventy-nine".

Divisors: 1 2357 34147 80484479