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50799840 = 25357131163
BaseRepresentation
bin1100000111001…
…0010011100000
310112120220021120
43001302103200
5101001043330
65012452240
71154535330
oct301622340
9115526246
1050799840
1126747743
121501a080
13a6a84a0
146a650c0
1546d6c10
hex30724e0

50799840 has 192 divisors, whose sum is σ = 197116416. Its totient is φ = 10708992.

The previous prime is 50799823. The next prime is 50799857. The reversal of 50799840 is 4899705.

It is an interprime number because it is at equal distance from previous prime (50799823) and next prime (50799857).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 50799792 and 50799801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43099 + ... + 44261.

It is an arithmetic number, because the mean of its divisors is an integer number (1026648).

Almost surely, 250799840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50799840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98558208).

50799840 is an abundant number, since it is smaller than the sum of its proper divisors (146316576).

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

50799840 is a wasteful number, since it uses less digits than its factorization.

50799840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 50799840 is about 7127.4006482027. The cubic root of 50799840 is about 370.3571909779.

The spelling of 50799840 in words is "fifty million, seven hundred ninety-nine thousand, eight hundred forty".