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5420278 = 23789823
BaseRepresentation
bin10100101011010011110110
3101012101020001
4110223103312
52341422103
6312101514
764033363
oct24532366
911171201
105420278
113072376
12199489a
13117a186
14a1146a
1572101d
hex52b4f6

5420278 has 16 divisors (see below), whose sum is σ = 8454240. Its totient is φ = 2604096.

The previous prime is 5420273. The next prime is 5420291. The reversal of 5420278 is 8720245.

5420278 is a nontrivial binomial coefficient, being equal to C(3293, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6175 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (528390).

Almost surely, 25420278 is an apocalyptic number.

5420278 is the 3292-nd triangular number.

5420278 is the 1098-th centered nonagonal number.

5420278 is a deficient number, since it is larger than the sum of its proper divisors (3033962).

5420278 is a wasteful number, since it uses less digits than its factorization.

5420278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 5420278 is about 2328.1490502113. The cubic root of 5420278 is about 175.6603945414.

The spelling of 5420278 in words is "five million, four hundred twenty thousand, two hundred seventy-eight".

Divisors: 1 2 37 74 89 178 823 1646 3293 6586 30451 60902 73247 146494 2710139 5420278