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8438614423 = 67125949469
BaseRepresentation
bin1111101101111101…
…10000100110010111
3210210002202000202221
413312332300212113
5114240241130143
63513204443211
7416055016261
oct76676604627
923702660687
108438614423
113640417a08
1217760a9507
13a46384695
145a0a40b31
15345c8a2ed
hex1f6fb0997

8438614423 has 4 divisors (see below), whose sum is σ = 8564563960. Its totient is φ = 8312664888.

The previous prime is 8438614397. The next prime is 8438614433. The reversal of 8438614423 is 3244168348.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8438614423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8438614423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438614433) 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, 62974668 + ... + 62974801.

It is an arithmetic number, because the mean of its divisors is an integer number (2141140990).

Almost surely, 28438614423 is an apocalyptic number.

8438614423 is a deficient number, since it is larger than the sum of its proper divisors (125949537).

8438614423 is a wasteful number, since it uses less digits than its factorization.

8438614423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125949536.

The product of its digits is 442368, while the sum is 43.

The square root of 8438614423 is about 91861.9313045399. The cubic root of 8438614423 is about 2035.9028384092.

The spelling of 8438614423 in words is "eight billion, four hundred thirty-eight million, six hundred fourteen thousand, four hundred twenty-three".

Divisors: 1 67 125949469 8438614423