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98942143 = 412413223
BaseRepresentation
bin1011110010110…
…11110010111111
320220011210002211
411321123302333
5200312122033
613452401251
72310665026
oct571336277
9226153084
1098942143
1150939773
1229176227
1317663161
14d1d78bd
158a462cd
hex5e5bcbf

98942143 has 4 divisors (see below), whose sum is σ = 101355408. Its totient is φ = 96528880.

The previous prime is 98942069. The next prime is 98942153. The reversal of 98942143 is 34124989.

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 98942143 - 29 = 98941631 is a prime.

It is a super-2 number, since 2×989421432 = 19579095322864898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98942096 and 98942105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98942153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206571 + ... + 1206652.

It is an arithmetic number, because the mean of its divisors is an integer number (25338852).

Almost surely, 298942143 is an apocalyptic number.

98942143 is a deficient number, since it is larger than the sum of its proper divisors (2413265).

98942143 is a wasteful number, since it uses less digits than its factorization.

98942143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413264.

The product of its digits is 62208, while the sum is 40.

The square root of 98942143 is about 9946.9665225133. The cubic root of 98942143 is about 462.5163654302.

The spelling of 98942143 in words is "ninety-eight million, nine hundred forty-two thousand, one hundred forty-three".

Divisors: 1 41 2413223 98942143