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53790420 = 22354320849
BaseRepresentation
bin1100110100110…
…0011011010100
310202012211120210
43031030123110
5102232243140
65200525420
71222132245
oct315143324
9122184523
1053790420
11283aa5a2
1216020870
13b1b4768
147202ccc
154ac7d80
hex334c6d4

53790420 has 48 divisors (see below), whose sum is σ = 154123200. Its totient is φ = 14009856.

The previous prime is 53790413. The next prime is 53790433. The reversal of 53790420 is 2409735.

53790420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7845 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (3210900).

Almost surely, 253790420 is an apocalyptic number.

It is an amenable number.

53790420 is an abundant number, since it is smaller than the sum of its proper divisors (100332780).

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

53790420 is a wasteful number, since it uses less digits than its factorization.

53790420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20904 (or 20902 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 53790420 is about 7334.1952523777. The cubic root of 53790420 is about 377.4866916350.

The spelling of 53790420 in words is "fifty-three million, seven hundred ninety thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 20849 41698 62547 83396 104245 125094 208490 250188 312735 416980 625470 896507 1250940 1793014 2689521 3586028 4482535 5379042 8965070 10758084 13447605 17930140 26895210 53790420