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149845320 = 233252931463
BaseRepresentation
bin10001110111001…
…11010101001000
3101102221221010200
420323213111020
5301330022240
622511412200
73466443552
oct1073472510
9342857120
10149845320
1177647009
1242224060
1325076691
1415c884d2
15d24d930
hex8ee7548

149845320 has 192 divisors, whose sum is σ = 521164800. Its totient is φ = 37255680.

The previous prime is 149845313. The next prime is 149845321. The reversal of 149845320 is 23548941.

149845320 is a `hidden beast` number, since 1 + 49 + 84 + 532 + 0 = 666.

149845320 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149845321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323409 + ... + 323871.

It is an arithmetic number, because the mean of its divisors is an integer number (2714400).

Almost surely, 2149845320 is an apocalyptic number.

149845320 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 149845320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260582400).

149845320 is an abundant number, since it is smaller than the sum of its proper divisors (371319480).

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

149845320 is a wasteful number, since it uses less digits than its factorization.

149845320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 149845320 is about 12241.1323005676. The cubic root of 149845320 is about 531.1465861913.

The spelling of 149845320 in words is "one hundred forty-nine million, eight hundred forty-five thousand, three hundred twenty".