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20348752 = 241271797
BaseRepresentation
bin100110110011…
…1111101010000
31102021211020111
41031213331100
520202130002
62004051104
7334650544
oct115477520
942254214
1020348752
1110539356
126993a94
1342a60a8
1429b9a24
151bbe3d7
hex1367f50

20348752 has 10 divisors (see below), whose sum is σ = 39425738. Its totient is φ = 10174368.

The previous prime is 20348743. The next prime is 20348759. The reversal of 20348752 is 25784302.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 2742336 = 4196^2 + 1656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20348759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635883 + ... + 635914.

Almost surely, 220348752 is an apocalyptic number.

It is an amenable number.

20348752 is a deficient number, since it is larger than the sum of its proper divisors (19076986).

20348752 is a wasteful number, since it uses less digits than its factorization.

20348752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271805 (or 1271799 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 20348752 is about 4510.9590997924. The cubic root of 20348752 is about 273.0104429626.

The spelling of 20348752 in words is "twenty million, three hundred forty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 1271797 2543594 5087188 10174376 20348752