Search a number
-
+
70568401 is a prime number
BaseRepresentation
bin1000011010011…
…00100111010001
311220210020122111
410031030213101
5121031142101
611000305321
71514551531
oct415144721
9156706574
1070568401
113691a0a2
121b772241
131180a467
14952d4c1
1562de251
hex434c9d1

70568401 has 2 divisors, whose sum is σ = 70568402. Its totient is φ = 70568400.

The previous prime is 70568389. The next prime is 70568417. The reversal of 70568401 is 10486507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 28901376 = 6455^2 + 5376^2 .

It is a cyclic number.

It is not a de Polignac number, because 70568401 - 217 = 70437329 is a prime.

It is a Chen prime.

It is the 8401-st Hogben number.

It is not a weakly prime, because it can be changed into another prime (70568471) by changing a digit.

It is a nontrivial repunit in base 8400.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35284200 + 35284201.

It is an arithmetic number, because the mean of its divisors is an integer number (35284201).

Almost surely, 270568401 is an apocalyptic number.

It is an amenable number.

70568401 is a deficient number, since it is larger than the sum of its proper divisors (1).

70568401 is an equidigital number, since it uses as much as digits as its factorization.

70568401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 70568401 is about 8400.5000446402. The cubic root of 70568401 is about 413.2410207624.

The spelling of 70568401 in words is "seventy million, five hundred sixty-eight thousand, four hundred one".