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98428881 = 3136124107
BaseRepresentation
bin1011101110111…
…10011111010001
320212012201001010
411313132133101
5200144211011
613433401133
72303426445
oct567363721
9225181033
1098428881
1150619091
1228b691a9
1317513655
14d102825
1589941a6
hex5dde7d1

98428881 has 8 divisors (see below), whose sum is σ = 131340384. Its totient is φ = 65568320.

The previous prime is 98428879. The next prime is 98428901. The reversal of 98428881 is 18882489.

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

It is a cyclic number.

It is not a de Polignac number, because 98428881 - 21 = 98428879 is a prime.

It is a super-2 number, since 2×984288812 = 19376489229824322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98428881.

It is not an unprimeable number, because it can be changed into a prime (98428831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (16417548).

Almost surely, 298428881 is an apocalyptic number.

It is an amenable number.

98428881 is a deficient number, since it is larger than the sum of its proper divisors (32911503).

98428881 is a wasteful number, since it uses less digits than its factorization.

98428881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25471.

The product of its digits is 294912, while the sum is 48.

The square root of 98428881 is about 9921.1330502116. The cubic root of 98428881 is about 461.7152111905.

The spelling of 98428881 in words is "ninety-eight million, four hundred twenty-eight thousand, eight hundred eighty-one".

Divisors: 1 3 1361 4083 24107 72321 32809627 98428881