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78361334 = 251717577
BaseRepresentation
bin1001010101110…
…11001011110110
312110110011112122
410222323023312
5130030030314
611435315542
71641026462
oct452731366
9173404478
1078361334
1140262037
12222abbb2
131330856c
14a59b4a2
156d2d28e
hex4abb2f6

78361334 has 8 divisors (see below), whose sum is σ = 117580248. Its totient is φ = 39167920.

The previous prime is 78361321. The next prime is 78361337. The reversal of 78361334 is 43316387.

It is a happy number.

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

It is a super-2 number, since 2×783613342 = 12280997332519112, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78361294 and 78361303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78361337) 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, 6554 + ... + 14130.

It is an arithmetic number, because the mean of its divisors is an integer number (14697531).

Almost surely, 278361334 is an apocalyptic number.

78361334 is a deficient number, since it is larger than the sum of its proper divisors (39218914).

78361334 is a wasteful number, since it uses less digits than its factorization.

78361334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750.

The product of its digits is 36288, while the sum is 35.

The square root of 78361334 is about 8852.1937394072. The cubic root of 78361334 is about 427.9246198804.

The spelling of 78361334 in words is "seventy-eight million, three hundred sixty-one thousand, three hundred thirty-four".

Divisors: 1 2 5171 7577 10342 15154 39180667 78361334