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50211420 = 22357119551
BaseRepresentation
bin1011111110001…
…0101001011100
310111111000010020
42333202221130
5100323231140
64552112140
71146534660
oct277425134
9114430106
1050211420
1126385646
1214995650
13a5306cc
1469508a0
15461c6d0
hex2fe2a5c

50211420 has 48 divisors (see below), whose sum is σ = 160677888. Its totient is φ = 11476800.

The previous prime is 50211409. The next prime is 50211439. The reversal of 50211420 is 2411205.

50211420 = T170 + T171 + ... + T673.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 50211420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59356 + ... + 60195.

It is an arithmetic number, because the mean of its divisors is an integer number (3347456).

Almost surely, 250211420 is an apocalyptic number.

It is an amenable number.

50211420 is an abundant number, since it is smaller than the sum of its proper divisors (110466468).

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

50211420 is a wasteful number, since it uses less digits than its factorization.

50211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119570 (or 119568 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 50211420 is about 7086.0016934799. The cubic root of 50211420 is about 368.9216716697.

Adding to 50211420 its reverse (2411205), we get a palindrome (52622625).

It can be divided in two parts, 5021 and 1420, that added together give a triangular number (6441 = T113).

The spelling of 50211420 in words is "fifty million, two hundred eleven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 119551 239102 358653 478204 597755 717306 836857 1195510 1434612 1673714 1793265 2391020 2510571 3347428 3586530 4184285 5021142 7173060 8368570 10042284 12552855 16737140 25105710 50211420