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50120406 = 2327616521
BaseRepresentation
bin1011111100110…
…0011011010110
310111022101021100
42333030123112
5100312323111
64550130530
71146005430
oct277143326
9114271240
1050120406
1126323226
1214950a46
13a4cb15b
146929650
154600756
hex2fcc6d6

50120406 has 48 divisors (see below), whose sum is σ = 126161568. Its totient is φ = 14083200.

The previous prime is 50120393. The next prime is 50120417. The reversal of 50120406 is 60402105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4426 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (2628366).

Almost surely, 250120406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50120406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63080784).

50120406 is an abundant number, since it is smaller than the sum of its proper divisors (76041162).

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

50120406 is a wasteful number, since it uses less digits than its factorization.

50120406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597 (or 6594 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50120406 is about 7079.5766822600. The cubic root of 50120406 is about 368.6986324694.

The spelling of 50120406 in words is "fifty million, one hundred twenty thousand, four hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 122 126 183 366 427 549 854 1098 1281 2562 3843 6521 7686 13042 19563 39126 45647 58689 91294 117378 136941 273882 397781 410823 795562 821646 1193343 2386686 2784467 3580029 5568934 7160058 8353401 16706802 25060203 50120406