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20382103 = 7101127227
BaseRepresentation
bin100110111000…
…0000110010111
31102100111222201
41031300012113
520204211403
62004505331
7335150020
oct115600627
942314881
1020382103
1110561415
1269ab247
1342b8321
1429c7c47
151bc921d
hex1370197

20382103 has 16 divisors (see below), whose sum is σ = 23814144. Its totient is φ = 17085600.

The previous prime is 20382101. The next prime is 20382107. The reversal of 20382103 is 30128302.

It is a happy number.

It is not a de Polignac number, because 20382103 - 21 = 20382101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89676 + ... + 89902.

It is an arithmetic number, because the mean of its divisors is an integer number (1488384).

Almost surely, 220382103 is an apocalyptic number.

20382103 is a deficient number, since it is larger than the sum of its proper divisors (3432041).

20382103 is a wasteful number, since it uses less digits than its factorization.

20382103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20382103 is about 4514.6542503275. The cubic root of 20382103 is about 273.1595135533.

The spelling of 20382103 in words is "twenty million, three hundred eighty-two thousand, one hundred three".

Divisors: 1 7 101 127 227 707 889 1589 12827 22927 28829 89789 160489 201803 2911729 20382103