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78422896 = 244901431
BaseRepresentation
bin1001010110010…
…10001101110000
312110120021222201
410223022031300
5130034013041
611440512544
71641404116
oct453121560
9173507881
1078422896
11402a4312
122231b754
131332a5a6
14a5b5ab6
156d41631
hex4aca370

78422896 has 10 divisors (see below), whose sum is σ = 151944392. Its totient is φ = 39211440.

The previous prime is 78422891. The next prime is 78422917. The reversal of 78422896 is 69822487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78422891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450700 + ... + 2450731.

Almost surely, 278422896 is an apocalyptic number.

It is an amenable number.

78422896 is a deficient number, since it is larger than the sum of its proper divisors (73521496).

78422896 is a wasteful number, since it uses less digits than its factorization.

78422896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901439 (or 4901433 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 78422896 is about 8855.6702738980. The cubic root of 78422896 is about 428.0366521731.

The spelling of 78422896 in words is "seventy-eight million, four hundred twenty-two thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 4901431 9802862 19605724 39211448 78422896