Search a number
-
+
252941400 = 233352311511
BaseRepresentation
bin11110001001110…
…01010001011000
3122121221202101000
433010321101120
51004223111100
641033225000
76160652325
oct1704712130
9577852330
10252941400
1111a862688
1270862160
134053248a
1425843b4c
1517315900
hexf139458

252941400 has 192 divisors, whose sum is σ = 899942400. Its totient is φ = 65232000.

The previous prime is 252941399. The next prime is 252941407. The reversal of 252941400 is 4149252.

252941400 is a `hidden beast` number, since 252 + 9 + 4 + 1 + 400 = 666.

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 (252941407) 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 47 ways as a sum of consecutive naturals, for example, 166645 + ... + 168155.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2252941400 is an apocalyptic number.

252941400 is a gapful number since it is divisible by the number (20) 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 252941400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449971200).

252941400 is an abundant number, since it is smaller than the sum of its proper divisors (647001000).

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

252941400 is a wasteful number, since it uses less digits than its factorization.

252941400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 252941400 is about 15904.1315386914. The cubic root of 252941400 is about 632.4215195267.

The spelling of 252941400 in words is "two hundred fifty-two million, nine hundred forty-one thousand, four hundred".