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20073592 = 2371132587
BaseRepresentation
bin100110010010…
…0110001111000
31101202211210101
41030210301320
520114323332
61554125144
7332423410
oct114446170
941684711
1020073592
1110370650
1268807b4
13420aa86
142947640
151b67ae7
hex1324c78

20073592 has 32 divisors (see below), whose sum is σ = 46926720. Its totient is φ = 7820640.

The previous prime is 20073589. The next prime is 20073593. The reversal of 20073592 is 29537002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20073592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20073593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15678 + ... + 16909.

It is an arithmetic number, because the mean of its divisors is an integer number (1466460).

Almost surely, 220073592 is an apocalyptic number.

20073592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20073592 is an abundant number, since it is smaller than the sum of its proper divisors (26853128).

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

20073592 is a wasteful number, since it uses less digits than its factorization.

20073592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32611 (or 32607 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 20073592 is about 4480.3562358366. The cubic root of 20073592 is about 271.7742865083.

The spelling of 20073592 in words is "twenty million, seventy-three thousand, five hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 32587 65174 130348 228109 260696 358457 456218 716914 912436 1433828 1824872 2509199 2867656 5018398 10036796 20073592