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70020527 = 353319819
BaseRepresentation
bin1000010110001…
…10110110101111
311212202102002212
410023012312233
5120411124102
610540441035
71510110323
oct413066657
9155672085
1070020527
1136585505
121b54917b
1311677c85
149429983
156231c52
hex42c6daf

70020527 has 4 divisors (see below), whose sum is σ = 70043880. Its totient is φ = 69997176.

The previous prime is 70020523. The next prime is 70020581. The reversal of 70020527 is 72502007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70020527 - 22 = 70020523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70020521) 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, 6377 + ... + 13442.

It is an arithmetic number, because the mean of its divisors is an integer number (17510970).

Almost surely, 270020527 is an apocalyptic number.

70020527 is a deficient number, since it is larger than the sum of its proper divisors (23353).

70020527 is a wasteful number, since it uses less digits than its factorization.

70020527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23352.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 70020527 is about 8367.8268983052. The cubic root of 70020527 is about 412.1688106263.

The spelling of 70020527 in words is "seventy million, twenty thousand, five hundred twenty-seven".

Divisors: 1 3533 19819 70020527