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20070352 = 242354539
BaseRepresentation
bin100110010001…
…1111111010000
31101202200100101
41030203333100
520114222402
61554102144
7332411101
oct114437720
941680311
1020070352
1110369175
12687a954
134209463
1429463a8
151b66b87
hex1323fd0

20070352 has 20 divisors (see below), whose sum is σ = 40577760. Its totient is φ = 9598688.

The previous prime is 20070343. The next prime is 20070371. The reversal of 20070352 is 25307002.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 26902 + ... + 27637.

It is an arithmetic number, because the mean of its divisors is an integer number (2028888).

Almost surely, 220070352 is an apocalyptic number.

It is an amenable number.

20070352 is an abundant number, since it is smaller than the sum of its proper divisors (20507408).

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

20070352 is a wasteful number, since it uses less digits than its factorization.

20070352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570 (or 54564 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 20070352 is about 4479.9946428539. The cubic root of 20070352 is about 271.7596637132.

Adding to 20070352 its reverse (25307002), we get a palindrome (45377354).

The spelling of 20070352 in words is "twenty million, seventy thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 54539 109078 218156 436312 872624 1254397 2508794 5017588 10035176 20070352