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70544470 = 257054447
BaseRepresentation
bin1000011010001…
…10110001010110
311220202000211011
410031012301112
5121024410340
611000002434
71514422003
oct415066126
9156660734
1070544470
1136903117
121b76041a
13117cc5b9
1495248aa
1562d70ea
hex4346c56

70544470 has 8 divisors (see below), whose sum is σ = 126980064. Its totient is φ = 28217784.

The previous prime is 70544449. The next prime is 70544479. The reversal of 70544470 is 7444507.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70544479) 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, 3527214 + ... + 3527233.

It is an arithmetic number, because the mean of its divisors is an integer number (15872508).

Almost surely, 270544470 is an apocalyptic number.

70544470 is a deficient number, since it is larger than the sum of its proper divisors (56435594).

70544470 is a wasteful number, since it uses less digits than its factorization.

70544470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054454.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 70544470 is about 8399.0755443680. The cubic root of 70544470 is about 413.1943030208.

Adding to 70544470 its reverse (7444507), we get a palindrome (77988977).

The spelling of 70544470 in words is "seventy million, five hundred forty-four thousand, four hundred seventy".

Divisors: 1 2 5 10 7054447 14108894 35272235 70544470