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2920103 = 23126961
BaseRepresentation
bin1011001000111010100111
312111100121222
423020322213
51221420403
6142330555
733551264
oct13107247
95440558
102920103
111714a0a
12b89a5b
137b3194
1456026b
153ca338
hex2c8ea7

2920103 has 4 divisors (see below), whose sum is σ = 3047088. Its totient is φ = 2793120.

The previous prime is 2920079. The next prime is 2920109. The reversal of 2920103 is 3010292.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2920103 - 210 = 2919079 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 (2920109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63458 + ... + 63503.

It is an arithmetic number, because the mean of its divisors is an integer number (761772).

22920103 is an apocalyptic number.

2920103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2920103 is a deficient number, since it is larger than the sum of its proper divisors (126985).

2920103 is a wasteful number, since it uses less digits than its factorization.

2920103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126984.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2920103 is about 1708.8308868931. The cubic root of 2920103 is about 142.9330705425.

Adding to 2920103 its reverse (3010292), we get a palindrome (5930395).

The spelling of 2920103 in words is "two million, nine hundred twenty thousand, one hundred three".

Divisors: 1 23 126961 2920103