Search a number
-
+
50872500 = 22325471719
BaseRepresentation
bin1100001000010…
…0000010110100
310112201120221200
43002010002310
5101010410000
65014212500
71155260220
oct302040264
9115646850
1050872500
1126797298
1215054130
13a702593
146a83780
1546ed500
hex30840b4

50872500 has 360 divisors, whose sum is σ = 204684480. Its totient is φ = 10368000.

The previous prime is 50872499. The next prime is 50872501. The reversal of 50872500 is 527805.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50872499) and next prime (50872501).

It is a super-2 number, since 2×508725002 = 5176022512500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50872501) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2677491 + ... + 2677509.

It is an arithmetic number, because the mean of its divisors is an integer number (568568).

Almost surely, 250872500 is an apocalyptic number.

50872500 is a gapful number since it is divisible by the number (50) 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 50872500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102342240).

50872500 is an abundant number, since it is smaller than the sum of its proper divisors (153811980).

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

50872500 is a wasteful number, since it uses less digits than its factorization.

50872500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 50872500 is about 7132.4960567812. The cubic root of 50872500 is about 370.5336832244.

The spelling of 50872500 in words is "fifty million, eight hundred seventy-two thousand, five hundred".