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80061053 = 598316349
BaseRepresentation
bin1001100010110…
…10001001111101
312120122112010012
410301122021331
5130443423203
611535553005
71661336102
oct461321175
9176575105
1080061053
1141213066
122298b765
1313782107
14a8c0aa9
157066bd8
hex4c5a27d

80061053 has 8 divisors (see below), whose sum is σ = 82404000. Its totient is φ = 77751088.

The previous prime is 80061031. The next prime is 80061061. The reversal of 80061053 is 35016008.

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

It is a cyclic number.

It is not a de Polignac number, because 80061053 - 226 = 12952189 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 (80061073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (10300500).

Almost surely, 280061053 is an apocalyptic number.

80061053 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

80061053 is a deficient number, since it is larger than the sum of its proper divisors (2342947).

80061053 is a wasteful number, since it uses less digits than its factorization.

80061053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 80061053 is about 8947.6842255413. The cubic root of 80061053 is about 430.9965223851.

The spelling of 80061053 in words is "eighty million, sixty-one thousand, fifty-three".

Divisors: 1 59 83 4897 16349 964591 1356967 80061053