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78352483 = 117122953
BaseRepresentation
bin1001010101110…
…01000001100011
312110102201101211
410222321001203
5130024234413
611435210551
71640661616
oct452710143
9173381354
1078352483
1140256420
12222a6a57
1313304521
14a59817d
156d2a83d
hex4ab9063

78352483 has 4 divisors (see below), whose sum is σ = 85475448. Its totient is φ = 71229520.

The previous prime is 78352471. The next prime is 78352501. The reversal of 78352483 is 38425387.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78352483 - 25 = 78352451 is a prime.

It is a super-2 number, since 2×783524832 = 12278223184530578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78352423) 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, 3561466 + ... + 3561487.

It is an arithmetic number, because the mean of its divisors is an integer number (21368862).

Almost surely, 278352483 is an apocalyptic number.

78352483 is a deficient number, since it is larger than the sum of its proper divisors (7122965).

78352483 is a wasteful number, since it uses less digits than its factorization.

78352483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122964.

The product of its digits is 161280, while the sum is 40.

The square root of 78352483 is about 8851.6937927156. The cubic root of 78352483 is about 427.9085077529.

The spelling of 78352483 in words is "seventy-eight million, three hundred fifty-two thousand, four hundred eighty-three".

Divisors: 1 11 7122953 78352483