Search a number
-
+
157446800 = 24527229277
BaseRepresentation
bin10010110001001…
…11001010010000
3101222021010101222
421120213022100
5310301244200
623342344212
73621163400
oct1130471220
9358233358
10157446800
1180969125
124488b068
13268085b4
1416ca6800
15dc50d85
hex9627290

157446800 has 180 divisors, whose sum is σ = 456840180. Its totient is φ = 51932160.

The previous prime is 157446797. The next prime is 157446841. The reversal of 157446800 is 8644751.

It can be written as a sum of positive squares in 6 ways, for example, as 14500864 + 142945936 = 3808^2 + 11956^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 568262 + ... + 568538.

It is an arithmetic number, because the mean of its divisors is an integer number (2538001).

Almost surely, 2157446800 is an apocalyptic number.

157446800 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 157446800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228420090).

157446800 is an abundant number, since it is smaller than the sum of its proper divisors (299393380).

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

157446800 is a wasteful number, since it uses less digits than its factorization.

157446800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 157446800 is about 12547.7806802637. The cubic root of 157446800 is about 539.9803376471.

The spelling of 157446800 in words is "one hundred fifty-seven million, four hundred forty-six thousand, eight hundred".