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148818992 = 2471328741
BaseRepresentation
bin10001101111011…
…00110000110000
3101101000210021112
420313230300300
5301044201432
622433412452
73454640420
oct1067546060
9341023245
10148818992
1177005a03
1241a0a128
1324aa749a
1415a9c480
15d0e97b2
hex8decc30

148818992 has 20 divisors (see below), whose sum is σ = 329528016. Its totient is φ = 63779520.

The previous prime is 148818979. The next prime is 148818997. The reversal of 148818992 is 299818841.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 148818992.

It is not an unprimeable number, because it can be changed into a prime (148818997) 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 3 ways as a sum of consecutive naturals, for example, 664259 + ... + 664482.

Almost surely, 2148818992 is an apocalyptic number.

It is an amenable number.

148818992 is an abundant number, since it is smaller than the sum of its proper divisors (180709024).

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

148818992 is a wasteful number, since it uses less digits than its factorization.

148818992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328756 (or 1328750 counting only the distinct ones).

The product of its digits is 331776, while the sum is 50.

The square root of 148818992 is about 12199.1389860104. The cubic root of 148818992 is about 529.9311551731.

The spelling of 148818992 in words is "one hundred forty-eight million, eight hundred eighteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1328741 2657482 5314964 9301187 10629928 18602374 21259856 37204748 74409496 148818992