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78064954 = 2113548407
BaseRepresentation
bin1001010011100…
…10110100111010
312102220002222121
410221302310322
5124441034304
611425111454
71635353422
oct451626472
9172802877
1078064954
114007a3a0
122218858a
13132336a6
14a521482
156cc0554
hex4a72d3a

78064954 has 8 divisors (see below), whose sum is σ = 127742688. Its totient is φ = 35484060.

The previous prime is 78064951. The next prime is 78064963. The reversal of 78064954 is 45946087.

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 78064954.

It is not an unprimeable number, because it can be changed into a prime (78064951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774182 + ... + 1774225.

It is an arithmetic number, because the mean of its divisors is an integer number (15967836).

Almost surely, 278064954 is an apocalyptic number.

78064954 is a deficient number, since it is larger than the sum of its proper divisors (49677734).

78064954 is a wasteful number, since it uses less digits than its factorization.

78064954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548420.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 78064954 is about 8835.4373972090. The cubic root of 78064954 is about 427.3844362346.

The spelling of 78064954 in words is "seventy-eight million, sixty-four thousand, nine hundred fifty-four".

Divisors: 1 2 11 22 3548407 7096814 39032477 78064954