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7381434 = 231772367
BaseRepresentation
bin11100001010000110111010
3111220000102110
4130022012322
53342201214
6422113150
7116512134
oct34120672
914800373
107381434
114191865
12257b7b6
1316b5a18
14da2054
159ac159
hex70a1ba

7381434 has 16 divisors (see below), whose sum is σ = 15631488. Its totient is φ = 2315712.

The previous prime is 7381433. The next prime is 7381447. The reversal of 7381434 is 4341837.

It is not an unprimeable number, because it can be changed into a prime (7381433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36082 + ... + 36285.

It is an arithmetic number, because the mean of its divisors is an integer number (976968).

Almost surely, 27381434 is an apocalyptic number.

7381434 is an abundant number, since it is smaller than the sum of its proper divisors (8250054).

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

7381434 is a wasteful number, since it uses less digits than its factorization.

7381434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72389.

The product of its digits is 8064, while the sum is 30.

The square root of 7381434 is about 2716.8794599687. The cubic root of 7381434 is about 194.7064089487.

The spelling of 7381434 in words is "seven million, three hundred eighty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 17 34 51 102 72367 144734 217101 434202 1230239 2460478 3690717 7381434