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99980048 = 2475316843
BaseRepresentation
bin1011111010110…
…01001100010000
320222010111211202
411331121030100
5201043330143
613530530332
72322550010
oct575311420
9228114752
1099980048
1151488543
12295969a8
13179376bc
14d3c7c40
158b9dab8
hex5f59310

99980048 has 40 divisors (see below), whose sum is σ = 225574848. Its totient is φ = 42037632.

The previous prime is 99980047. The next prime is 99980063. The reversal of 99980048 is 84008999.

It is a junction number, because it is equal to n+sod(n) for n = 99979984 and 99980011.

It is not an unprimeable number, because it can be changed into a prime (99980047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 14357.

Almost surely, 299980048 is an apocalyptic number.

It is an amenable number.

99980048 is an abundant number, since it is smaller than the sum of its proper divisors (125594800).

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

99980048 is a wasteful number, since it uses less digits than its factorization.

99980048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16911 (or 16905 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 99980048 is about 9999.0023502347. The cubic root of 99980048 is about 464.1280116479.

Subtracting from 99980048 its sum of digits (47), we obtain a square (99980001 = 99992).

The spelling of 99980048 in words is "ninety-nine million, nine hundred eighty thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 53 56 106 112 212 371 424 742 848 1484 2968 5936 16843 33686 67372 117901 134744 235802 269488 471604 892679 943208 1785358 1886416 3570716 6248753 7141432 12497506 14282864 24995012 49990024 99980048