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70255207 = 1131206027
BaseRepresentation
bin1000011000000…
…00001001100111
311220012100000201
410030000021213
5120441131312
610545451331
71512105451
oct414001147
9156170021
1070255207
1136725860
121b640b47
131172aa39
14948b2d1
15627b557
hex4300267

70255207 has 8 divisors (see below), whose sum is σ = 79114752. Its totient is φ = 61807800.

The previous prime is 70255201. The next prime is 70255219.

70255207 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70255207 - 27 = 70255079 is a prime.

It is a super-2 number, since 2×702552072 = 9871588221225698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70255201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102673 + ... + 103354.

It is an arithmetic number, because the mean of its divisors is an integer number (9889344).

Almost surely, 270255207 is an apocalyptic number.

70255207 is a deficient number, since it is larger than the sum of its proper divisors (8859545).

70255207 is a wasteful number, since it uses less digits than its factorization.

70255207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206069.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 70255207 is about 8381.8379249422. The cubic root of 70255207 is about 412.6287705718.

The spelling of 70255207 in words is "seventy million, two hundred fifty-five thousand, two hundred seven".

Divisors: 1 11 31 341 206027 2266297 6386837 70255207