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78463422 = 23241106319
BaseRepresentation
bin1001010110101…
…00000110111110
312110122100120200
410223110012332
5130041312142
611441424330
71641633222
oct453240676
9173570520
1078463422
1140321804
122233b0a6
1313342b7b
14a5c6782
156d4d64c
hex4ad41be

78463422 has 24 divisors (see below), whose sum is σ = 174152160. Its totient is φ = 25516320.

The previous prime is 78463417. The next prime is 78463423. The reversal of 78463422 is 22436487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78463423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52422 + ... + 53897.

It is an arithmetic number, because the mean of its divisors is an integer number (7256340).

Almost surely, 278463422 is an apocalyptic number.

78463422 is an abundant number, since it is smaller than the sum of its proper divisors (95688738).

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

78463422 is a wasteful number, since it uses less digits than its factorization.

78463422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106368 (or 106365 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 78463422 is about 8857.9581168574. The cubic root of 78463422 is about 428.1103705517.

The spelling of 78463422 in words is "seventy-eight million, four hundred sixty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 106319 212638 318957 637914 956871 1913742 4359079 8718158 13077237 26154474 39231711 78463422