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70700401 = 172141081
BaseRepresentation
bin1000011011011…
…00110101110001
311221000221201101
410031230311301
5121044403101
611003204401
71515641422
oct415546561
9157027641
1070700401
11369aa292
121b816701
1311855575
149565649
156318401
hex436cd71

70700401 has 4 divisors (see below), whose sum is σ = 70743204. Its totient is φ = 70657600.

The previous prime is 70700389. The next prime is 70700411. The reversal of 70700401 is 10400707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10400707 = 14237309.

It can be written as a sum of positive squares in 2 ways, for example, as 41280625 + 29419776 = 6425^2 + 5424^2 .

It is a cyclic number.

It is not a de Polignac number, because 70700401 - 223 = 62311793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70700411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18820 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (17685801).

Almost surely, 270700401 is an apocalyptic number.

It is an amenable number.

70700401 is a deficient number, since it is larger than the sum of its proper divisors (42803).

70700401 is a wasteful number, since it uses less digits than its factorization.

70700401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42802.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 70700401 is about 8408.3530492005. The cubic root of 70700401 is about 413.4985195779.

The spelling of 70700401 in words is "seventy million, seven hundred thousand, four hundred one".

Divisors: 1 1721 41081 70700401