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70090651 = 295214639
BaseRepresentation
bin1000010110101…
…11111110011011
311212212222022001
410023113332123
5120420400101
610542141431
71510521631
oct413277633
9155788261
1070090651
1136623164
121b581877
13116a0b77
149447351
156247901
hex42d7f9b

70090651 has 8 divisors (see below), whose sum is σ = 72662400. Its totient is φ = 67529280.

The previous prime is 70090649. The next prime is 70090663. The reversal of 70090651 is 15609007.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70090651 - 21 = 70090649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70090351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12790 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (9082800).

Almost surely, 270090651 is an apocalyptic number.

70090651 is a deficient number, since it is larger than the sum of its proper divisors (2571749).

70090651 is a wasteful number, since it uses less digits than its factorization.

70090651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 70090651 is about 8372.0159459953. The cubic root of 70090651 is about 412.3063573512.

Adding to 70090651 its reverse (15609007), we get a palindrome (85699658).

The spelling of 70090651 in words is "seventy million, ninety thousand, six hundred fifty-one".

Divisors: 1 29 521 4639 15109 134531 2416919 70090651