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76900001 is a prime number
BaseRepresentation
bin1001001010101…
…10011010100001
312100200220222012
410211112122201
5124141300001
611344122305
71622432153
oct445263241
9170626865
1076900001
113a454122
1221906395
1312c16379
14a2daad3
156b402bb
hex49566a1

76900001 has 2 divisors, whose sum is σ = 76900002. Its totient is φ = 76900000.

The previous prime is 76899997. The next prime is 76900007. The reversal of 76900001 is 10000967.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 4734976 = 8495^2 + 2176^2 .

It is an emirp because it is prime and its reverse (10000967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76900001 - 22 = 76899997 is a prime.

It is a super-2 number, since 2×769000012 = 11827220307600002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76900001.

It is not a weakly prime, because it can be changed into another prime (76900007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38450000 + 38450001.

It is an arithmetic number, because the mean of its divisors is an integer number (38450001).

Almost surely, 276900001 is an apocalyptic number.

It is an amenable number.

76900001 is a deficient number, since it is larger than the sum of its proper divisors (1).

76900001 is an equidigital number, since it uses as much as digits as its factorization.

76900001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 76900001 is about 8769.2645643748. The cubic root of 76900001 is about 425.2478388356.

Adding to 76900001 its reverse (10000967), we get a palindrome (86900968).

The spelling of 76900001 in words is "seventy-six million, nine hundred thousand, one".