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53383790 = 255990481
BaseRepresentation
bin1100101110100…
…1001001101110
310201110011210102
43023221021232
5102131240130
65144111102
71215516605
oct313511156
9121404712
1053383790
1128152039
1215a65492
13b0a1655
147138a3c
154a47645
hex32e926e

53383790 has 16 divisors (see below), whose sum is σ = 97720560. Its totient is φ = 20991360.

The previous prime is 53383777. The next prime is 53383801. The reversal of 53383790 is 9738335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44651 + ... + 45830.

It is an arithmetic number, because the mean of its divisors is an integer number (6107535).

Almost surely, 253383790 is an apocalyptic number.

53383790 is a deficient number, since it is larger than the sum of its proper divisors (44336770).

53383790 is a wasteful number, since it uses less digits than its factorization.

53383790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90547.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 53383790 is about 7306.4211485515. The cubic root of 53383790 is about 376.5330779914.

The spelling of 53383790 in words is "fifty-three million, three hundred eighty-three thousand, seven hundred ninety".

Divisors: 1 2 5 10 59 118 295 590 90481 180962 452405 904810 5338379 10676758 26691895 53383790