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998206148 = 221013246349
BaseRepresentation
bin111011011111110…
…110101011000100
32120120022010102002
4323133312223010
54021020044043
6243015004432
733510420002
oct7337665304
92516263362
10998206148
11472509065
1223a369718
1312ba5c834
1496801a72
155c979bb8
hex3b7f6ac4

998206148 has 12 divisors (see below), whose sum is σ = 1748592300. Its totient is φ = 498608352.

The previous prime is 998206127. The next prime is 998206177. The reversal of 998206148 is 841602899.

It can be written as a sum of positive squares in 2 ways, for example, as 19642624 + 978563524 = 4432^2 + 31282^2 .

It is an unprimeable number.

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, 119123 + ... + 127226.

It is an arithmetic number, because the mean of its divisors is an integer number (145716025).

Almost surely, 2998206148 is an apocalyptic number.

It is an amenable number.

998206148 is a deficient number, since it is larger than the sum of its proper divisors (750386152).

998206148 is a wasteful number, since it uses less digits than its factorization.

998206148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247366 (or 247364 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 998206148 is about 31594.4005798496. The cubic root of 998206148 is about 999.4016914316.

The spelling of 998206148 in words is "nine hundred ninety-eight million, two hundred six thousand, one hundred forty-eight".

Divisors: 1 2 4 1013 2026 4052 246349 492698 985396 249551537 499103074 998206148