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80551052 = 2289226267
BaseRepresentation
bin1001100110100…
…01110010001100
312121120102021022
410303101302030
5131110113202
611554253312
71665446501
oct463216214
9177512238
1080551052
114151821a
1222b87238
13138c415a
14a9ab4a8
157111ea2
hex4cd1c8c

80551052 has 12 divisors (see below), whose sum is σ = 142548840. Its totient is φ = 39822816.

The previous prime is 80551027. The next prime is 80551057. The reversal of 80551052 is 25015508.

It is not an unprimeable number, because it can be changed into a prime (80551057) 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, 112778 + ... + 113489.

It is an arithmetic number, because the mean of its divisors is an integer number (11879070).

Almost surely, 280551052 is an apocalyptic number.

It is an amenable number.

80551052 is a deficient number, since it is larger than the sum of its proper divisors (61997788).

80551052 is a wasteful number, since it uses less digits than its factorization.

80551052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226360 (or 226358 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 80551052 is about 8975.0237882693. The cubic root of 80551052 is about 431.8740130440.

The spelling of 80551052 in words is "eighty million, five hundred fifty-one thousand, fifty-two".

Divisors: 1 2 4 89 178 356 226267 452534 905068 20137763 40275526 80551052