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990519148 = 221414317509
BaseRepresentation
bin111011000010100…
…001111101101100
32120000211120211101
4323002201331230
54012033103043
6242142132444
733355162633
oct7302417554
92500746741
10990519148
11469138773
12237881124
1312a29aa08
14957a051a
155be5c24d
hex3b0a1f6c

990519148 has 12 divisors (see below), whose sum is σ = 1733630080. Its totient is φ = 495196272.

The previous prime is 990519137. The next prime is 990519149. The reversal of 990519148 is 841915099.

It is a super-2 number, since 2×9905191482 = 1962256365109291808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 990519098 and 990519107.

It is not an unprimeable number, because it can be changed into a prime (990519149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47818 + ... + 65326.

Almost surely, 2990519148 is an apocalyptic number.

It is an amenable number.

990519148 is a deficient number, since it is larger than the sum of its proper divisors (743110932).

990519148 is a wasteful number, since it uses less digits than its factorization.

990519148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31656 (or 31654 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 990519148 is about 31472.5141671268. The cubic root of 990519148 is about 996.8296756652.

The spelling of 990519148 in words is "nine hundred ninety million, five hundred nineteen thousand, one hundred forty-eight".

Divisors: 1 2 4 14143 17509 28286 35018 56572 70036 247629787 495259574 990519148