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98840169 = 341220249
BaseRepresentation
bin1011110010000…
…10111001101001
320212222121020000
411321002321221
5200300341134
613450253213
72310061521
oct571027151
9225877200
1098840169
115087a09a
1229127209
131762890c
14d1ac681
158a25e99
hex5e42e69

98840169 has 10 divisors (see below), whose sum is σ = 147650250. Its totient is φ = 65893392.

The previous prime is 98840143. The next prime is 98840173. The reversal of 98840169 is 96104889.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 2073600 = 9837^2 + 1440^2 .

It is not a de Polignac number, because 98840169 - 211 = 98838121 is a prime.

It is a super-2 number, since 2×988401692 = 19538758015897122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98840129) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 610044 + ... + 610205.

It is an arithmetic number, because the mean of its divisors is an integer number (14765025).

Almost surely, 298840169 is an apocalyptic number.

It is an amenable number.

98840169 is a deficient number, since it is larger than the sum of its proper divisors (48810081).

98840169 is a wasteful number, since it uses less digits than its factorization.

98840169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220261 (or 1220252 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 98840169 is about 9941.8393167462. The cubic root of 98840169 is about 462.3574144345.

The spelling of 98840169 in words is "ninety-eight million, eight hundred forty thousand, one hundred sixty-nine".

Divisors: 1 3 9 27 81 1220249 3660747 10982241 32946723 98840169