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78116914 = 247831031
BaseRepresentation
bin1001010011111…
…11100000110010
312102222202021001
410221333200302
5124444220124
611430152214
71635661051
oct451774062
9172882231
1078116914
1140105437
12221b266a
1313251235
14a536398
156cd0b44
hex4a7f832

78116914 has 8 divisors (see below), whose sum is σ = 119668608. Its totient is φ = 38227380.

The previous prime is 78116893. The next prime is 78116933. The reversal of 78116914 is 41961187.

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

It is a super-3 number, since 3×781169143 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415422 + ... + 415609.

It is an arithmetic number, because the mean of its divisors is an integer number (14958576).

Almost surely, 278116914 is an apocalyptic number.

78116914 is a deficient number, since it is larger than the sum of its proper divisors (41551694).

78116914 is a wasteful number, since it uses less digits than its factorization.

78116914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831080.

The product of its digits is 12096, while the sum is 37.

The square root of 78116914 is about 8838.3773397610. The cubic root of 78116914 is about 427.4792375038.

The spelling of 78116914 in words is "seventy-eight million, one hundred sixteen thousand, nine hundred fourteen".

Divisors: 1 2 47 94 831031 1662062 39058457 78116914