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1000099998 = 232192924269
BaseRepresentation
bin111011100111000…
…101000010011110
32120200212100021200
4323213011002132
54022011144443
6243123340330
733532465302
oct7347050236
92520770250
101000099998
11473591a27
1223ab216a6
1312c273861
1496b75d02
155cc00dd3
hex3b9c509e

1000099998 has 24 divisors (see below), whose sum is σ = 2280930600. Its totient is φ = 315820944.

The previous prime is 1000099993. The next prime is 1000099999. The reversal of 1000099998 is 8999900001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000099993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1461793 + ... + 1462476.

It is an arithmetic number, because the mean of its divisors is an integer number (95038775).

Almost surely, 21000099998 is an apocalyptic number.

1000099998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1000099998 is an abundant number, since it is smaller than the sum of its proper divisors (1280830602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000099998 is a wasteful number, since it uses less digits than its factorization.

1000099998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924296 (or 2924293 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The square root of 1000099998 is about 31624.3576693662. The cubic root of 1000099998 is about 1000.0333315557.

Adding to 1000099998 its reverse (8999900001), we get a palindrome (9999999999).

The spelling of 1000099998 in words is "one billion, ninety-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 2924269 5848538 8772807 17545614 26318421 52636842 55561111 111122222 166683333 333366666 500049999 1000099998