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70667041 = 509913859
BaseRepresentation
bin1000011011001…
…00101100100001
311220222020221211
410031210230201
5121042321131
611002350121
71515442234
oct415445441
9156866854
1070667041
1136987215
121b7bb341
1311843323
14955741b
15630d5b1
hex4364b21

70667041 has 4 divisors (see below), whose sum is σ = 70686000. Its totient is φ = 70648084.

The previous prime is 70667039. The next prime is 70667057. The reversal of 70667041 is 14076607.

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 a cyclic number.

It is not a de Polignac number, because 70667041 - 21 = 70667039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70666994 and 70667012.

It is not an unprimeable number, because it can be changed into a prime (70667071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (17671500).

Almost surely, 270667041 is an apocalyptic number.

It is an amenable number.

70667041 is a deficient number, since it is larger than the sum of its proper divisors (18959).

70667041 is a wasteful number, since it uses less digits than its factorization.

70667041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18958.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70667041 is about 8406.3690735061. The cubic root of 70667041 is about 413.4334728898.

The spelling of 70667041 in words is "seventy million, six hundred sixty-seven thousand, forty-one".

Divisors: 1 5099 13859 70667041