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80240486 = 275752999
BaseRepresentation
bin1001100100001…
…01111101100110
312120222122020212
410302011331212
5131020143421
611543455422
71663014164
oct462057546
9176878225
1080240486
1141325957
1222a57572
13138159a1
14a92a234
15709ee5b
hex4c85f66

80240486 has 8 divisors (see below), whose sum is σ = 120522000. Its totient is φ = 40066488.

The previous prime is 80240471. The next prime is 80240497. The reversal of 80240486 is 68404208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24986 + ... + 28013.

It is an arithmetic number, because the mean of its divisors is an integer number (15065250).

Almost surely, 280240486 is an apocalyptic number.

80240486 is a deficient number, since it is larger than the sum of its proper divisors (40281514).

80240486 is a wasteful number, since it uses less digits than its factorization.

80240486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53758.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 80240486 is about 8957.7053981475. The cubic root of 80240486 is about 431.3182655777.

The spelling of 80240486 in words is "eighty million, two hundred forty thousand, four hundred eighty-six".

Divisors: 1 2 757 1514 52999 105998 40120243 80240486