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70048321 = 719135231
BaseRepresentation
bin1000010110011…
…01101001000001
311212210211020021
410023031221001
5120413021241
610541213441
71510254340
oct413155101
9155724207
1070048321
11365a4382
121b561281
1311687815
149435b57
15623a0d1
hex42cda41

70048321 has 8 divisors (see below), whose sum is σ = 80112384. Its totient is φ = 59998560.

The previous prime is 70048301. The next prime is 70048331. The reversal of 70048321 is 12384007.

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 70048321 - 215 = 70015553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70048301) 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 7 ways as a sum of consecutive naturals, for example, 10776 + ... + 16006.

It is an arithmetic number, because the mean of its divisors is an integer number (10014048).

Almost surely, 270048321 is an apocalyptic number.

It is an amenable number.

70048321 is a deficient number, since it is larger than the sum of its proper divisors (10064063).

70048321 is a wasteful number, since it uses less digits than its factorization.

70048321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70048321 is about 8369.4874992439. The cubic root of 70048321 is about 412.2233389434.

The spelling of 70048321 in words is "seventy million, forty-eight thousand, three hundred twenty-one".

Divisors: 1 7 1913 5231 13391 36617 10006903 70048321