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157440200 = 23524318307
BaseRepresentation
bin10010110001001…
…01100011001000
3101222020210100112
421120211203020
5310301041300
623342253452
73621135221
oct1130454310
9358223315
10157440200
1180964175
1244887288
13268055a8
1416ca4248
15dc4de35
hex96258c8

157440200 has 48 divisors (see below), whose sum is σ = 374581680. Its totient is φ = 61508160.

The previous prime is 157440191. The next prime is 157440203. The reversal of 157440200 is 2044751.

157440200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157440203) 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 11 ways as a sum of consecutive naturals, for example, 554 + ... + 17753.

It is an arithmetic number, because the mean of its divisors is an integer number (7803785).

Almost surely, 2157440200 is an apocalyptic number.

157440200 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 157440200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187290840).

157440200 is an abundant number, since it is smaller than the sum of its proper divisors (217141480).

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

157440200 is a wasteful number, since it uses less digits than its factorization.

157440200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366 (or 18357 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 157440200 is about 12547.5176827929. The cubic root of 157440200 is about 539.9727924106.

Adding to 157440200 its reverse (2044751), we get a palindrome (159484951).

The spelling of 157440200 in words is "one hundred fifty-seven million, four hundred forty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 172 200 215 344 430 860 1075 1720 2150 4300 8600 18307 36614 73228 91535 146456 183070 366140 457675 732280 787201 915350 1574402 1830700 3148804 3661400 3936005 6297608 7872010 15744020 19680025 31488040 39360050 78720100 157440200