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80802002 = 240401001
BaseRepresentation
bin1001101000011…
…11000011010010
312122001011111202
410310033003102
5131141131002
612003511202
72000543231
oct464170322
9178034452
1080802002
1141679816
1223088502
1313981448
14aa34b18
157161502
hex4d0f0d2

80802002 has 4 divisors (see below), whose sum is σ = 121203006. Its totient is φ = 40401000.

The previous prime is 80801989. The next prime is 80802017. The reversal of 80802002 is 20020808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80658361 + 143641 = 8981^2 + 379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200499 + ... + 20200502.

Almost surely, 280802002 is an apocalyptic number.

80802002 is a deficient number, since it is larger than the sum of its proper divisors (40401004).

80802002 is a wasteful number, since it uses less digits than its factorization.

80802002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40401003.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 80802002 is about 8988.9933807963. The cubic root of 80802002 is about 432.3220371106.

It can be divided in two parts, 8080200 and 2, that multiplied together give a square (16160400 = 40202).

The spelling of 80802002 in words is "eighty million, eight hundred two thousand, two".

Divisors: 1 2 40401001 80802002