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83308423 = 1137792591
BaseRepresentation
bin1001111011100…
…10111110000111
312210202111200011
410331302332013
5132311332143
612133331051
72031052462
oct475627607
9183674604
1083308423
1143030940
1223a96a87
131434b233
14b0c82d9
1574a8e9d
hex4f72f87

83308423 has 16 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 72727200.

The previous prime is 83308417. The next prime is 83308427. The reversal of 83308423 is 32480338.

It is not a de Polignac number, because 83308423 - 25 = 83308391 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 (83308427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30858 + ... + 33448.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 283308423 is an apocalyptic number.

83308423 is a deficient number, since it is larger than the sum of its proper divisors (11247737).

83308423 is a wasteful number, since it uses less digits than its factorization.

83308423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 83308423 is about 9127.3447946267. The cubic root of 83308423 is about 436.7467056697.

The spelling of 83308423 in words is "eighty-three million, three hundred eight thousand, four hundred twenty-three".

Divisors: 1 11 37 79 407 869 2591 2923 28501 32153 95867 204689 1054537 2251579 7573493 83308423