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149080500 = 223653409
BaseRepresentation
bin10001110001011…
…00100110110100
3101101112002000000
420320230212310
5301131034000
622443151300
73460110012
oct1070544664
9341462000
10149080500
1177174428
1241b15530
1324b6951a
1415b298b2
15d14c000
hex8e2c9b4

149080500 has 168 divisors, whose sum is σ = 489357960. Its totient is φ = 39657600.

The previous prime is 149080487. The next prime is 149080507. The reversal of 149080500 is 5080941.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 148937616 = 378^2 + 12204^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149080507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 364296 + ... + 364704.

It is an arithmetic number, because the mean of its divisors is an integer number (2912845).

Almost surely, 2149080500 is an apocalyptic number.

149080500 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 149080500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244678980).

149080500 is an abundant number, since it is smaller than the sum of its proper divisors (340277460).

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

149080500 is an equidigital number, since it uses as much as digits as its factorization.

149080500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 149080500 is about 12209.8525789626. The cubic root of 149080500 is about 530.2413757553.

The spelling of 149080500 in words is "one hundred forty-nine million, eighty thousand, five hundred".