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2869434 = 2322329239
BaseRepresentation
bin1010111100100010111010
312101210010100
422330202322
51213310214
6141300230
733250461
oct12744272
95353110
102869434
11168a937
12b64676
137960b9
145499d8
153ba309
hex2bc8ba

2869434 has 48 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 879648.

The previous prime is 2869429. The next prime is 2869441. The reversal of 2869434 is 4349682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11887 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (140400).

22869434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2869434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3369600).

2869434 is an abundant number, since it is smaller than the sum of its proper divisors (3869766).

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

2869434 is a wasteful number, since it uses less digits than its factorization.

2869434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 296 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2869434 is about 1693.9403767547. The cubic root of 2869434 is about 142.1015276038.

The spelling of 2869434 in words is "two million, eight hundred sixty-nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 23 29 46 58 69 87 138 174 207 239 261 414 478 522 667 717 1334 1434 2001 2151 4002 4302 5497 6003 6931 10994 12006 13862 16491 20793 32982 41586 49473 62379 98946 124758 159413 318826 478239 956478 1434717 2869434