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70167001 = 169941299
BaseRepresentation
bin1000010111010…
…10100111011001
311220000212000211
410023222213121
5120430321001
610543531121
71511260342
oct413524731
9156025024
1070167001
1136675563
121b5b9aa1
13116c9848
1494670c9
156260351
hex42ea9d9

70167001 has 4 divisors (see below), whose sum is σ = 70210000. Its totient is φ = 70124004.

The previous prime is 70166969. The next prime is 70167029. The reversal of 70167001 is 10076107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10076107 = 71141917.

It is a cyclic number.

It is not a de Polignac number, because 70167001 - 25 = 70166969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70167101) 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, 18951 + ... + 22348.

It is an arithmetic number, because the mean of its divisors is an integer number (17552500).

Almost surely, 270167001 is an apocalyptic number.

It is an amenable number.

70167001 is a deficient number, since it is larger than the sum of its proper divisors (42999).

70167001 is a wasteful number, since it uses less digits than its factorization.

70167001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42998.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 70167001 is about 8376.5745385569. The cubic root of 70167001 is about 412.4560119607.

The spelling of 70167001 in words is "seventy million, one hundred sixty-seven thousand, one".

Divisors: 1 1699 41299 70167001