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80037913 is a prime number
BaseRepresentation
bin1001100010101…
…00100000011001
312120121100101011
410301110200121
5130442203123
611535253521
71661211454
oct461244031
9176540334
1080037913
11411a773a
122297a2a1
1313774717
14a8b649b
15705ee0d
hex4c54819

80037913 has 2 divisors, whose sum is σ = 80037914. Its totient is φ = 80037912.

The previous prime is 80037889. The next prime is 80037983. The reversal of 80037913 is 31973008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65076489 + 14961424 = 8067^2 + 3868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80037913 is a prime.

It is not a weakly prime, because it can be changed into another prime (80037983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40018956 + 40018957.

It is an arithmetic number, because the mean of its divisors is an integer number (40018957).

Almost surely, 280037913 is an apocalyptic number.

It is an amenable number.

80037913 is a deficient number, since it is larger than the sum of its proper divisors (1).

80037913 is an equidigital number, since it uses as much as digits as its factorization.

80037913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 80037913 is about 8946.3910600867. The cubic root of 80037913 is about 430.9549948252.

The spelling of 80037913 in words is "eighty million, thirty-seven thousand, nine hundred thirteen".