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148439800 = 2352742199
BaseRepresentation
bin10001101100100…
…00001011111000
3101100022112010101
420312100023320
5301000033200
622421325144
73451501045
oct1066201370
9340275111
10148439800
1176877023
12418667b4
13249a3a02
1415a001cc
15d07226a
hex8d902f8

148439800 has 24 divisors (see below), whose sum is σ = 345123000. Its totient is φ = 59375840.

The previous prime is 148439783. The next prime is 148439813. The reversal of 148439800 is 8934841.

It is a self number, because there is not a number n which added to its sum of digits gives 148439800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370900 + ... + 371299.

It is an arithmetic number, because the mean of its divisors is an integer number (14380125).

Almost surely, 2148439800 is an apocalyptic number.

148439800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148439800 is an abundant number, since it is smaller than the sum of its proper divisors (196683200).

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

148439800 is a wasteful number, since it uses less digits than its factorization.

148439800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742215 (or 742206 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 148439800 is about 12183.5873206540. The cubic root of 148439800 is about 529.4806827249.

The spelling of 148439800 in words is "one hundred forty-eight million, four hundred thirty-nine thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 742199 1484398 2968796 3710995 5937592 7421990 14843980 18554975 29687960 37109950 74219900 148439800