Search a number
-
+
76215001 is a prime number
BaseRepresentation
bin1001000101011…
…11001011011001
312022102010022211
410202233023121
5124002340001
611321315121
71613550112
oct442571331
9168363284
1076215001
113a026505
1221635aa1
1312a36645
14a19d209
156a57351
hex48af2d9

76215001 has 2 divisors, whose sum is σ = 76215002. Its totient is φ = 76215000.

The previous prime is 76214989. The next prime is 76215043. The reversal of 76215001 is 10051267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46566976 + 29648025 = 6824^2 + 5445^2 .

It is a cyclic number.

It is not a de Polignac number, because 76215001 - 223 = 67826393 is a prime.

It is not a weakly prime, because it can be changed into another prime (76215101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38107500 + 38107501.

It is an arithmetic number, because the mean of its divisors is an integer number (38107501).

Almost surely, 276215001 is an apocalyptic number.

It is an amenable number.

76215001 is a deficient number, since it is larger than the sum of its proper divisors (1).

76215001 is an equidigital number, since it uses as much as digits as its factorization.

76215001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 76215001 is about 8730.1203313586. The cubic root of 76215001 is about 423.9814149472.

Adding to 76215001 its reverse (10051267), we get a palindrome (86266268).

The spelling of 76215001 in words is "seventy-six million, two hundred fifteen thousand, one".