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2103020434 = 219291908367
BaseRepresentation
bin111110101011001…
…1000101110010010
312102120012111200201
41331112120232102
513301333123214
6544403005414
7103054243624
oct17526305622
95376174621
102103020434
1198a111419
124a836986a
132769078b8
1415d434c14
15c4962274
hex7d598b92

2103020434 has 16 divisors (see below), whose sum is σ = 3435062400. Its totient is φ = 961816464.

The previous prime is 2103020407. The next prime is 2103020459. The reversal of 2103020434 is 4340203012.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953082 + ... + 955285.

It is an arithmetic number, because the mean of its divisors is an integer number (214691400).

Almost surely, 22103020434 is an apocalyptic number.

2103020434 is a deficient number, since it is larger than the sum of its proper divisors (1332041966).

2103020434 is a wasteful number, since it uses less digits than its factorization.

2103020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908417.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2103020434 is about 45858.7007447878. The cubic root of 2103020434 is about 1281.1928240232.

Adding to 2103020434 its reverse (4340203012), we get a palindrome (6443223446).

It can be divided in two parts, 210 and 3020434, that added together give a square (3020644 = 17382).

The spelling of 2103020434 in words is "two billion, one hundred three million, twenty thousand, four hundred thirty-four".

Divisors: 1 2 19 29 38 58 551 1102 1908367 3816734 36258973 55342643 72517946 110685286 1051510217 2103020434