Search a number
-
+
50996440 = 23511115901
BaseRepresentation
bin1100001010001…
…0010011011000
310112221212222001
43002202103120
5101023341230
65021010344
71156314445
oct302422330
9115855861
1050996440
1126871420
12150b39b4
13a746b11
146ab69cc
1547250ca
hex30a24d8

50996440 has 32 divisors (see below), whose sum is σ = 125174160. Its totient is φ = 18544000.

The previous prime is 50996431. The next prime is 50996443. The reversal of 50996440 is 4469905.

It is a self number, because there is not a number n which added to its sum of digits gives 50996440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50996443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57511 + ... + 58390.

Almost surely, 250996440 is an apocalyptic number.

It is an amenable number.

50996440 is an abundant number, since it is smaller than the sum of its proper divisors (74177720).

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

50996440 is a wasteful number, since it uses less digits than its factorization.

50996440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115923 (or 115919 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 50996440 is about 7141.1791743381. The cubic root of 50996440 is about 370.8343479611.

The spelling of 50996440 in words is "fifty million, nine hundred ninety-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 115901 231802 463604 579505 927208 1159010 1274911 2318020 2549822 4636040 5099644 6374555 10199288 12749110 25498220 50996440