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70123000 = 235370123
BaseRepresentation
bin1000010110111…
…11110111111000
311212221121200011
410023133313320
5120422414000
610542551304
71511015143
oct413376770
9155847604
1070123000
11366454a2
121b598534
13116b27cc
14945505a
1562522ba
hex42dfdf8

70123000 has 32 divisors (see below), whose sum is σ = 164090160. Its totient is φ = 28048800.

The previous prime is 70122989. The next prime is 70123043. The reversal of 70123000 is 32107.

It is a congruent number.

It is an unprimeable number.

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, 34062 + ... + 36061.

Almost surely, 270123000 is an apocalyptic number.

It is an amenable number.

70123000 is an abundant number, since it is smaller than the sum of its proper divisors (93967160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70123000 is a wasteful number, since it uses less digits than its factorization.

70123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70144 (or 70130 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 70123000 is about 8373.9476950838. The cubic root of 70123000 is about 412.3697783010.

Adding to 70123000 its reverse (32107), we get a palindrome (70155107).

The spelling of 70123000 in words is "seventy million, one hundred twenty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 70123 140246 280492 350615 560984 701230 1402460 1753075 2804920 3506150 7012300 8765375 14024600 17530750 35061500 70123000