Search a number
-
+
57336420 = 2235955607
BaseRepresentation
bin1101101010111…
…0001001100100
310222212222210010
43122232021210
5104134231140
65404530220
71264231401
oct332561144
9128788703
1057336420
112a401779
1217250970
13bb5679b
1478872a8
155078880
hex36ae264

57336420 has 24 divisors (see below), whose sum is σ = 160542144. Its totient is φ = 15289696.

The previous prime is 57336397. The next prime is 57336439. The reversal of 57336420 is 2463375.

57336420 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 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 7 ways as a sum of consecutive naturals, for example, 477744 + ... + 477863.

It is an arithmetic number, because the mean of its divisors is an integer number (6689256).

Almost surely, 257336420 is an apocalyptic number.

It is an amenable number.

57336420 is an abundant number, since it is smaller than the sum of its proper divisors (103205724).

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

57336420 is a wasteful number, since it uses less digits than its factorization.

57336420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955619 (or 955617 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 57336420 is about 7572.0816160419. The cubic root of 57336420 is about 385.6057703750.

Adding to 57336420 its reverse (2463375), we get a palindrome (59799795).

The spelling of 57336420 in words is "fifty-seven million, three hundred thirty-six thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 955607 1911214 2866821 3822428 4778035 5733642 9556070 11467284 14334105 19112140 28668210 57336420