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98420047 = 1112770451
BaseRepresentation
bin1011101110111…
…00010101001111
320212012020220221
411313130111033
5200143420142
613433252211
72303361625
oct567342517
9225166827
1098420047
1150612490
1228b64067
131750c61b
14d0dd515
158991767
hex5ddc54f

98420047 has 8 divisors (see below), whose sum is σ = 108214272. Its totient is φ = 88767000.

The previous prime is 98420029. The next prime is 98420087. The reversal of 98420047 is 74002489.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98420047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98419994 and 98420021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98420087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33829 + ... + 36622.

It is an arithmetic number, because the mean of its divisors is an integer number (13526784).

Almost surely, 298420047 is an apocalyptic number.

98420047 is a deficient number, since it is larger than the sum of its proper divisors (9794225).

98420047 is a wasteful number, since it uses less digits than its factorization.

98420047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70589.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 98420047 is about 9920.6878289764. The cubic root of 98420047 is about 461.7013977848.

The spelling of 98420047 in words is "ninety-eight million, four hundred twenty thousand, forty-seven".

Divisors: 1 11 127 1397 70451 774961 8947277 98420047