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149475480 = 233572112311
BaseRepresentation
bin10001110100011…
…01000010011000
3101102021010210220
420322031002120
5301231203410
622455440040
73463343400
oct1072150230
9342233726
10149475480
1177414160
1242086020
1324c7723b
1415bcd800
15d1c9070
hex8e8d098

149475480 has 192 divisors, whose sum is σ = 569306880. Its totient is φ = 31046400.

The previous prime is 149475433. The next prime is 149475481. The reversal of 149475480 is 84574941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149475481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63525 + ... + 65835.

It is an arithmetic number, because the mean of its divisors is an integer number (2965140).

Almost surely, 2149475480 is an apocalyptic number.

149475480 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 149475480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284653440).

149475480 is an abundant number, since it is smaller than the sum of its proper divisors (419831400).

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

149475480 is a wasteful number, since it uses less digits than its factorization.

149475480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 149475480 is about 12226.0165221547. The cubic root of 149475480 is about 530.7092438952.

The spelling of 149475480 in words is "one hundred forty-nine million, four hundred seventy-five thousand, four hundred eighty".