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7137429 = 3132373109
BaseRepresentation
bin11011001110100010010101
3111102121201020
4123032202111
53311344204
6412551353
7114444555
oct33164225
914377636
107137429
114035502
122482559
13162b940
14d3b165
1595ebd9
hex6ce895

7137429 has 32 divisors (see below), whose sum is σ = 10940160. Its totient is φ = 4105728.

The previous prime is 7137421. The next prime is 7137437. The reversal of 7137429 is 9247317.

It is an interprime number because it is at equal distance from previous prime (7137421) and next prime (7137437).

It is not a de Polignac number, because 7137429 - 23 = 7137421 is a prime.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 7137429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65427 + ... + 65535.

It is an arithmetic number, because the mean of its divisors is an integer number (341880).

Almost surely, 27137429 is an apocalyptic number.

It is an amenable number.

7137429 is a deficient number, since it is larger than the sum of its proper divisors (3802731).

7137429 is a wasteful number, since it uses less digits than its factorization.

7137429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its digits is 10584, while the sum is 33.

The square root of 7137429 is about 2671.5967135779. The cubic root of 7137429 is about 192.5368816722.

The spelling of 7137429 in words is "seven million, one hundred thirty-seven thousand, four hundred twenty-nine".

Divisors: 1 3 13 23 39 69 73 109 219 299 327 897 949 1417 1679 2507 2847 4251 5037 7521 7957 21827 23871 32591 65481 97773 103441 183011 310323 549033 2379143 7137429