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70670541 = 323556847
BaseRepresentation
bin1000011011001…
…01100011001101
311220222102202110
410031211203031
5121042424131
611002414233
71515455364
oct415454315
9156872673
1070670541
1136989907
121b801379
1311844ab6
1495587db
15630e646
hex43658cd

70670541 has 4 divisors (see below), whose sum is σ = 94227392. Its totient is φ = 47113692.

The previous prime is 70670533. The next prime is 70670591. The reversal of 70670541 is 14507607.

It is a happy number.

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.

It is not a de Polignac number, because 70670541 - 23 = 70670533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70670499 and 70670508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11778421 + ... + 11778426.

It is an arithmetic number, because the mean of its divisors is an integer number (23556848).

Almost surely, 270670541 is an apocalyptic number.

It is an amenable number.

70670541 is a deficient number, since it is larger than the sum of its proper divisors (23556851).

70670541 is a wasteful number, since it uses less digits than its factorization.

70670541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23556850.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 70670541 is about 8406.5772464184. The cubic root of 70670541 is about 413.4402982935.

The spelling of 70670541 in words is "seventy million, six hundred seventy thousand, five hundred forty-one".

Divisors: 1 3 23556847 70670541