Search a number
-
+
152480 = 255953
BaseRepresentation
bin100101001110100000
321202011102
4211032200
514334410
63133532
71203356
oct451640
9252142
10152480
11a4619
12742a8
1354533
143d7d6
15302a5
hex253a0

152480 has 24 divisors (see below), whose sum is σ = 360612. Its totient is φ = 60928.

The previous prime is 152461. The next prime is 152501. The reversal of 152480 is 84251.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 1936 = 388^2 + 44^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

152480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 636.

2152480 is an apocalyptic number.

152480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152480 is an abundant number, since it is smaller than the sum of its proper divisors (208132).

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

152480 is an equidigital number, since it uses as much as digits as its factorization.

152480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 152480 is about 390.4868755797. The cubic root of 152480 is about 53.4241508212.

The spelling of 152480 in words is "one hundred fifty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 953 1906 3812 4765 7624 9530 15248 19060 30496 38120 76240 152480