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80170484 = 2220042621
BaseRepresentation
bin1001100011101…
…00110111110100
312120212002020012
410301310313310
5131010423414
611542155352
71662303122
oct461646764
9176762205
1080170484
11412882a9
1222a22b58
13137bcb74
14a90c912
15708933e
hex4c74df4

80170484 has 6 divisors (see below), whose sum is σ = 140298354. Its totient is φ = 40085240.

The previous prime is 80170429. The next prime is 80170523. The reversal of 80170484 is 48407108.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 5866084 = 8620^2 + 2422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80170484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021307 + ... + 10021314.

It is an arithmetic number, because the mean of its divisors is an integer number (23383059).

Almost surely, 280170484 is an apocalyptic number.

It is an amenable number.

80170484 is a deficient number, since it is larger than the sum of its proper divisors (60127870).

80170484 is a wasteful number, since it uses less digits than its factorization.

80170484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20042625 (or 20042623 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 80170484 is about 8953.7971833184. The cubic root of 80170484 is about 431.1928013755.

The spelling of 80170484 in words is "eighty million, one hundred seventy thousand, four hundred eighty-four".

Divisors: 1 2 4 20042621 40085242 80170484