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428870098 = 2239323263
BaseRepresentation
bin11001100100000…
…000100111010010
31002212222212011201
4121210000213102
51334242320343
6110320101414
713425223066
oct3144004722
91085885151
10428870098
112000a44a8
12bb76486a
136ab0c1b7
1440d5baa6
15279b794d
hex199009d2

428870098 has 8 divisors (see below), whose sum is σ = 671275008. Its totient is φ = 205111764.

The previous prime is 428870059. The next prime is 428870111. The reversal of 428870098 is 890078824.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 9323263 = 428870098 / (4 + 2 + 8 + 8 + 7 + 0 + 0 + 9 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4661586 + ... + 4661677.

It is an arithmetic number, because the mean of its divisors is an integer number (83909376).

Almost surely, 2428870098 is an apocalyptic number.

428870098 is a deficient number, since it is larger than the sum of its proper divisors (242404910).

428870098 is a wasteful number, since it uses less digits than its factorization.

428870098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323288.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 428870098 is about 20709.1790759557. The cubic root of 428870098 is about 754.1225412777.

The spelling of 428870098 in words is "four hundred twenty-eight million, eight hundred seventy thousand, ninety-eight".

Divisors: 1 2 23 46 9323263 18646526 214435049 428870098