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148990984 = 2389209257
BaseRepresentation
bin10001110000101…
…10110000001000
3101101100112012121
420320112300020
5301120202414
622441221024
73456255022
oct1070266010
9341315177
10148990984
117711314a
1241a91774
1324b3785c
1415b05012
15d130724
hex8e16c08

148990984 has 16 divisors (see below), whose sum is σ = 282498300. Its totient is φ = 73658112.

The previous prime is 148990979. The next prime is 148990997. The reversal of 148990984 is 489099841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136188900 + 12802084 = 11670^2 + 3578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103917 + ... + 105340.

Almost surely, 2148990984 is an apocalyptic number.

It is an amenable number.

148990984 is a deficient number, since it is larger than the sum of its proper divisors (133507316).

148990984 is a wasteful number, since it uses less digits than its factorization.

148990984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209352 (or 209348 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 148990984 is about 12206.1863003970. The cubic root of 148990984 is about 530.1352259674.

It can be divided in two parts, 14 and 8990984, that added together give a palindrome (8990998).

The spelling of 148990984 in words is "one hundred forty-eight million, nine hundred ninety thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 89 178 356 712 209257 418514 837028 1674056 18623873 37247746 74495492 148990984