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149409060 = 223516315277
BaseRepresentation
bin10001110011111…
…00110100100100
3101102010202200220
420321330310210
5301222042220
622454204340
73462645633
oct1071746444
9342122626
10149409060
1177379269
12420536b0
1324c52c38
1415bb351a
15d1b4540
hex8e7cd24

149409060 has 48 divisors (see below), whose sum is σ = 420939456. Its totient is φ = 39595392.

The previous prime is 149409053. The next prime is 149409079. The reversal of 149409060 is 60904941.

149409060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (8769572).

Almost surely, 2149409060 is an apocalyptic number.

149409060 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 149409060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210469728).

149409060 is an abundant number, since it is smaller than the sum of its proper divisors (271530396).

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

149409060 is a wasteful number, since it uses less digits than its factorization.

149409060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452 (or 15450 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 149409060 is about 12223.2998817832. The cubic root of 149409060 is about 530.6306246898.

The spelling of 149409060 in words is "one hundred forty-nine million, four hundred nine thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 9780 15277 30554 45831 61108 76385 91662 152770 183324 229155 305540 458310 916620 2490151 4980302 7470453 9960604 12450755 14940906 24901510 29881812 37352265 49803020 74704530 149409060