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2045130 = 23568171
BaseRepresentation
bin111110011010011001010
310211220101120
413303103022
51010421010
6111500110
723245323
oct7632312
93756346
102045130
11117759a
12827636
13567b49
143b344a
152a5e70
hex1f34ca

2045130 has 16 divisors (see below), whose sum is σ = 4908384. Its totient is φ = 545360.

The previous prime is 2045129. The next prime is 2045177. The reversal of 2045130 is 315402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34056 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (306774).

22045130 is an apocalyptic number.

2045130 is an abundant number, since it is smaller than the sum of its proper divisors (2863254).

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

2045130 is a wasteful number, since it uses less digits than its factorization.

2045130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68181.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2045130 is about 1430.0804173192. The cubic root of 2045130 is about 126.9327355792.

It can be divided in two parts, 20 and 45130, that added together give a triangular number (45150 = T300).

The spelling of 2045130 in words is "two million, forty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 68171 136342 204513 340855 409026 681710 1022565 2045130