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8399474223 = 3717179131441
BaseRepresentation
bin1111101001010010…
…11100111000101111
3210200101002111111220
413310221130320233
5114200231133343
63505245514423
7415101232020
oct76451347057
923611074456
108399474223
113620314338
121764b72a13
13a3b22c2ba
14599772c47
15342608183
hex1f4a5ce2f

8399474223 has 32 divisors (see below), whose sum is σ = 13627906560. Its totient is φ = 4492093440.

The previous prime is 8399474221. The next prime is 8399474227. The reversal of 8399474223 is 3224749938.

It is not a de Polignac number, because 8399474223 - 21 = 8399474221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399474221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1818 + ... + 129623.

It is an arithmetic number, because the mean of its divisors is an integer number (425872080).

Almost surely, 28399474223 is an apocalyptic number.

8399474223 is a deficient number, since it is larger than the sum of its proper divisors (5228432337).

8399474223 is a wasteful number, since it uses less digits than its factorization.

8399474223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131647.

The product of its digits is 2612736, while the sum is 51.

The square root of 8399474223 is about 91648.6455055393. The cubic root of 8399474223 is about 2032.7503002188.

The spelling of 8399474223 in words is "eight billion, three hundred ninety-nine million, four hundred seventy-four thousand, two hundred twenty-three".

Divisors: 1 3 7 17 21 51 119 179 357 537 1253 3043 3759 9129 21301 63903 131441 394323 920087 2234497 2760261 6703491 15641479 23527939 46924437 70583817 164695573 399974963 494086719 1199924889 2799824741 8399474223