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80552351 = 1156313007
BaseRepresentation
bin1001100110100…
…10000110011111
312121120111001102
410303102012133
5131110133401
611554303315
71665453335
oct463220637
9177514042
1080552351
11415191a0
1222b87b3b
13138c4919
14a9abb55
15711256b
hex4cd219f

80552351 has 8 divisors (see below), whose sum is σ = 88038144. Its totient is φ = 73093720.

The previous prime is 80552323. The next prime is 80552359. The reversal of 80552351 is 15325508.

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 80552351 - 214 = 80535967 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 (80552359) 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, 311 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (11004768).

Almost surely, 280552351 is an apocalyptic number.

80552351 is a deficient number, since it is larger than the sum of its proper divisors (7485793).

80552351 is a wasteful number, since it uses less digits than its factorization.

80552351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 80552351 is about 8975.0961554738. The cubic root of 80552351 is about 431.8763345586.

Adding to 80552351 its reverse (15325508), we get a palindrome (95877859).

The spelling of 80552351 in words is "eighty million, five hundred fifty-two thousand, three hundred fifty-one".

Divisors: 1 11 563 6193 13007 143077 7322941 80552351