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7090434 = 23213157193
BaseRepresentation
bin11011000011000100000010
3111100020020200
4123003010002
53303343214
6411550030
7114160551
oct33030402
914306220
107090434
11400316a
12245b316
131613430
14d27d98
15950d09
hex6c3102

7090434 has 48 divisors (see below), whose sum is σ = 16735992. Its totient is φ = 2156544.

The previous prime is 7090429. The next prime is 7090451. The reversal of 7090434 is 4340907.

7090434 = T496 + T497 + ... + T547.

It can be written as a sum of positive squares in 4 ways, for example, as 3229209 + 3861225 = 1797^2 + 1965^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7090398 and 7090407.

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, 36642 + ... + 36834.

Almost surely, 27090434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7090434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8367996).

7090434 is an abundant number, since it is smaller than the sum of its proper divisors (9645558).

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

7090434 is a wasteful number, since it uses less digits than its factorization.

7090434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7090434 is about 2662.7868859524. The cubic root of 7090434 is about 192.1133770475.

The spelling of 7090434 in words is "seven million, ninety thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 157 193 234 314 386 471 579 942 1158 1413 1737 2041 2509 2826 3474 4082 5018 6123 7527 12246 15054 18369 22581 30301 36738 45162 60602 90903 181806 272709 393913 545418 787826 1181739 2363478 3545217 7090434