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53430090 = 23572191913
BaseRepresentation
bin1100101111010…
…0011101001010
310201112112022020
43023310131022
5102134230330
65145105310
71216101600
oct313643512
9121475266
1053430090
11281838aa
1215a88236
13b0b974c
14714b870
154a56210
hex32f474a

53430090 has 96 divisors (see below), whose sum is σ = 157101120. Its totient is φ = 11563776.

The previous prime is 53430079. The next prime is 53430101. The reversal of 53430090 is 9003435.

It is an interprime number because it is at equal distance from previous prime (53430079) and next prime (53430101).

It is a self number, because there is not a number n which added to its sum of digits gives 53430090.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26974 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (1636470).

Almost surely, 253430090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53430090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78550560).

53430090 is an abundant number, since it is smaller than the sum of its proper divisors (103671030).

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

53430090 is a wasteful number, since it uses less digits than its factorization.

53430090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 53430090 is about 7309.5889077294. The cubic root of 53430090 is about 376.6419028106.

The spelling of 53430090 in words is "fifty-three million, four hundred thirty thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 49 57 70 95 98 105 114 133 147 190 210 245 266 285 294 399 490 570 665 735 798 931 1330 1470 1862 1913 1995 2793 3826 3990 4655 5586 5739 9310 9565 11478 13391 13965 19130 26782 27930 28695 36347 40173 57390 66955 72694 80346 93737 109041 133910 181735 187474 200865 218082 254429 281211 363470 401730 468685 508858 545205 562422 763287 937370 1090410 1272145 1406055 1526574 1781003 2544290 2812110 3562006 3816435 5343009 7632870 8905015 10686018 17810030 26715045 53430090