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78908342 = 243191541
BaseRepresentation
bin1001011010000…
…00101110110110
312111110221220012
410231000232312
5130200031332
611455140222
71645465322
oct455005666
9174427805
1078908342
11405a6007
1222514672
131346a536
14a6a0982
156dda3b2
hex4b40bb6

78908342 has 8 divisors (see below), whose sum is σ = 118638432. Its totient is φ = 39362200.

The previous prime is 78908329. The next prime is 78908369. The reversal of 78908342 is 24380987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 78908342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44909 + ... + 46632.

It is an arithmetic number, because the mean of its divisors is an integer number (14829804).

Almost surely, 278908342 is an apocalyptic number.

78908342 is a deficient number, since it is larger than the sum of its proper divisors (39730090).

78908342 is a wasteful number, since it uses less digits than its factorization.

78908342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91974.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 78908342 is about 8883.0367555245. The cubic root of 78908342 is about 428.9180333980.

The spelling of 78908342 in words is "seventy-eight million, nine hundred eight thousand, three hundred forty-two".

Divisors: 1 2 431 862 91541 183082 39454171 78908342