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148009420 = 22513569267
BaseRepresentation
bin10001101001001…
…11000111001100
3101022111122202101
420310213013030
5300342300140
622404204444
73445026226
oct1064470714
9338448671
10148009420
1176602739
1241699724
1324882b50
141592b416
15ced999a
hex8d271cc

148009420 has 24 divisors (see below), whose sum is σ = 334729584. Its totient is φ = 54649536.

The previous prime is 148009409. The next prime is 148009447. The reversal of 148009420 is 24900841.

It is an unprimeable number.

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, 284374 + ... + 284893.

It is an arithmetic number, because the mean of its divisors is an integer number (13947066).

Almost surely, 2148009420 is an apocalyptic number.

148009420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148009420 is an abundant number, since it is smaller than the sum of its proper divisors (186720164).

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

148009420 is a wasteful number, since it uses less digits than its factorization.

148009420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569289 (or 569287 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 148009420 is about 12165.9122140512. The cubic root of 148009420 is about 528.9684695027.

The spelling of 148009420 in words is "one hundred forty-eight million, nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 569267 1138534 2277068 2846335 5692670 7400471 11385340 14800942 29601884 37002355 74004710 148009420