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80223074 = 297413521
BaseRepresentation
bin1001100100000…
…01101101100010
312120221202100222
410302001231202
5131014114244
611543243042
71662612341
oct462015542
9176852328
1080223074
1141313868
1222a49482
131380aa99
14a923b58
157099bee
hex4c81b62

80223074 has 8 divisors (see below), whose sum is σ = 121575468. Its totient is φ = 39697920.

The previous prime is 80223043. The next prime is 80223083. The reversal of 80223074 is 47032208.

It can be written as a sum of positive squares in 2 ways, for example, as 76440049 + 3783025 = 8743^2 + 1945^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206567 + ... + 206954.

Almost surely, 280223074 is an apocalyptic number.

80223074 is a deficient number, since it is larger than the sum of its proper divisors (41352394).

80223074 is a wasteful number, since it uses less digits than its factorization.

80223074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413620.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 80223074 is about 8956.7334447331. The cubic root of 80223074 is about 431.2870649652.

The spelling of 80223074 in words is "eighty million, two hundred twenty-three thousand, seventy-four".

Divisors: 1 2 97 194 413521 827042 40111537 80223074