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80024972 = 2220006243
BaseRepresentation
bin1001100010100…
…01010110001100
312120120200121212
410301101112030
5130441244342
611535113552
71661125646
oct461212614
9176520555
1080024972
1141198a45
12229728b8
131376b871
14a8b1896
15705b182
hex4c5158c

80024972 has 6 divisors (see below), whose sum is σ = 140043708. Its totient is φ = 40012484.

The previous prime is 80024963. The next prime is 80024977. The reversal of 80024972 is 27942008.

It is a super-2 number, since 2×800249722 = 12807992287201568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80024977) by changing a digit.

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 as a sum of consecutive naturals, namely, 10003118 + ... + 10003125.

It is an arithmetic number, because the mean of its divisors is an integer number (23340618).

Almost surely, 280024972 is an apocalyptic number.

It is an amenable number.

80024972 is a deficient number, since it is larger than the sum of its proper divisors (60018736).

80024972 is a wasteful number, since it uses less digits than its factorization.

80024972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20006247 (or 20006245 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 80024972 is about 8945.6677783159. The cubic root of 80024972 is about 430.9317671281.

The spelling of 80024972 in words is "eighty million, twenty-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 20006243 40012486 80024972