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2780094 = 23563823
BaseRepresentation
bin1010100110101110111110
312020020120110
422212232332
51202430334
6135330450
732426142
oct12465676
95206513
102780094
1116297a9
12b20a26
13764535
14525222
1539dae9
hex2a6bbe

2780094 has 16 divisors (see below), whose sum is σ = 5576832. Its totient is φ = 923928.

The previous prime is 2780083. The next prime is 2780101. The reversal of 2780094 is 4900872.

It is a congruent number.

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, 2967 + ... + 3789.

It is an arithmetic number, because the mean of its divisors is an integer number (348552).

22780094 is an apocalyptic number.

2780094 is an abundant number, since it is smaller than the sum of its proper divisors (2796738).

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

2780094 is a wasteful number, since it uses less digits than its factorization.

2780094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2780094 is about 1667.3613885418. The cubic root of 2780094 is about 140.6111715785.

The spelling of 2780094 in words is "two million, seven hundred eighty thousand, ninety-four".

Divisors: 1 2 3 6 563 823 1126 1646 1689 2469 3378 4938 463349 926698 1390047 2780094