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148946890 = 2519783931
BaseRepresentation
bin10001110000010…
…11111111001010
3101101021021201111
420320023333022
5301112300030
622440240534
73456012331
oct1070137712
9341237644
10148946890
1177093004
1241a7014a
1324b20771
1415ad2d18
15d12262a
hex8e0bfca

148946890 has 16 divisors (see below), whose sum is σ = 282215520. Its totient is φ = 56442960.

The previous prime is 148946887. The next prime is 148946893. The reversal of 148946890 is 98649841.

It is an interprime number because it is at equal distance from previous prime (148946887) and next prime (148946893).

It is not an unprimeable number, because it can be changed into a prime (148946893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391776 + ... + 392155.

It is an arithmetic number, because the mean of its divisors is an integer number (17638470).

Almost surely, 2148946890 is an apocalyptic number.

148946890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148946890 is a deficient number, since it is larger than the sum of its proper divisors (133268630).

148946890 is a wasteful number, since it uses less digits than its factorization.

148946890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783957.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 148946890 is about 12204.3799514764. The cubic root of 148946890 is about 530.0829228270.

The spelling of 148946890 in words is "one hundred forty-eight million, nine hundred forty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 783931 1567862 3919655 7839310 14894689 29789378 74473445 148946890