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148770 = 23351929
BaseRepresentation
bin100100010100100010
321120002000
4210110202
514230040
63104430
71156506
oct442442
9246060
10148770
11a1856
1272116
135293b
143c306
152e130
hex24522

148770 has 64 divisors (see below), whose sum is σ = 432000. Its totient is φ = 36288.

The previous prime is 148763. The next prime is 148781. The reversal of 148770 is 77841.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5116 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (6750).

2148770 is an apocalyptic number.

148770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).

148770 is an abundant number, since it is smaller than the sum of its proper divisors (283230).

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

148770 is a wasteful number, since it uses less digits than its factorization.

148770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 148770 is about 385.7071427910. The cubic root of 148770 is about 52.9872996743.

The spelling of 148770 in words is "one hundred forty-eight thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 29 30 38 45 54 57 58 87 90 95 114 135 145 171 174 190 261 270 285 290 342 435 513 522 551 570 783 855 870 1026 1102 1305 1566 1653 1710 2565 2610 2755 3306 3915 4959 5130 5510 7830 8265 9918 14877 16530 24795 29754 49590 74385 148770