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148629520 = 24513241593
BaseRepresentation
bin10001101101111…
…10100000010000
3101100200011101001
420312332200100
5301022121040
622425351344
73453221134
oct1066764020
9340604331
10148629520
1176996616
1241938554
1324a3c180
1415a4d3c4
15d0ad59a
hex8dbe810

148629520 has 80 divisors (see below), whose sum is σ = 374319792. Its totient is φ = 54558720.

The previous prime is 148629491. The next prime is 148629529. The reversal of 148629520 is 25926841.

It can be written as a sum of positive squares in 8 ways, for example, as 861184 + 147768336 = 928^2 + 12156^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 148629520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148629529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250344 + ... + 250936.

Almost surely, 2148629520 is an apocalyptic number.

148629520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148629520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187159896).

148629520 is an abundant number, since it is smaller than the sum of its proper divisors (225690272).

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

148629520 is a wasteful number, since it uses less digits than its factorization.

148629520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 148629520 is about 12191.3707186682. The cubic root of 148629520 is about 529.7061620311.

The spelling of 148629520 in words is "one hundred forty-eight million, six hundred twenty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 241 260 482 520 593 964 1040 1186 1205 1928 2372 2410 2965 3133 3856 4744 4820 5930 6266 7709 9488 9640 11860 12532 15418 15665 19280 23720 25064 30836 31330 38545 47440 50128 61672 62660 77090 123344 125320 142913 154180 250640 285826 308360 571652 616720 714565 1143304 1429130 1857869 2286608 2858260 3715738 5716520 7431476 9289345 11433040 14862952 18578690 29725904 37157380 74314760 148629520