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70258841 = 174132873
BaseRepresentation
bin1000011000000…
…01000010011001
311220012112000022
410030001002121
5120441240331
610545520225
71512122162
oct414010231
9156175008
1070258841
1136728564
121b643075
131172c5a3
14948c769
15627c67b
hex4301099

70258841 has 4 divisors (see below), whose sum is σ = 74391732. Its totient is φ = 66125952.

The previous prime is 70258817. The next prime is 70258879. The reversal of 70258841 is 14885207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14885207 = 29513283.

It can be written as a sum of positive squares in 2 ways, for example, as 18835600 + 51423241 = 4340^2 + 7171^2 .

It is a cyclic number.

It is not a de Polignac number, because 70258841 - 214 = 70242457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70258891) 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, 2066420 + ... + 2066453.

It is an arithmetic number, because the mean of its divisors is an integer number (18597933).

Almost surely, 270258841 is an apocalyptic number.

It is an amenable number.

70258841 is a deficient number, since it is larger than the sum of its proper divisors (4132891).

70258841 is a wasteful number, since it uses less digits than its factorization.

70258841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132890.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 70258841 is about 8382.0547003703. The cubic root of 70258841 is about 412.6358849536.

The spelling of 70258841 in words is "seventy million, two hundred fifty-eight thousand, eight hundred forty-one".

Divisors: 1 17 4132873 70258841