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34808131 = 231513397
BaseRepresentation
bin1000010011001…
…0000101000011
32102111102210001
42010302011003
532402330011
63242020431
7601602301
oct204620503
972442701
1034808131
1118714956
12b7a7717
137299637
1448a1271
1530c87c1
hex2132143

34808131 has 4 divisors (see below), whose sum is σ = 36321552. Its totient is φ = 33294712.

The previous prime is 34808101. The next prime is 34808143. The reversal of 34808131 is 13180843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34808131 is a prime.

It is a super-2 number, since 2×348081312 = 2423211967426322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34808131.

It is not an unprimeable number, because it can be changed into a prime (34808101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756676 + ... + 756721.

It is an arithmetic number, because the mean of its divisors is an integer number (9080388).

Almost surely, 234808131 is an apocalyptic number.

34808131 is a deficient number, since it is larger than the sum of its proper divisors (1513421).

34808131 is a wasteful number, since it uses less digits than its factorization.

34808131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513420.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 34808131 is about 5899.8416080434. The cubic root of 34808131 is about 326.5078056993.

Adding to 34808131 its reverse (13180843), we get a palindrome (47988974).

It can be divided in two parts, 3480 and 8131, that added together give a palindrome (11611).

The spelling of 34808131 in words is "thirty-four million, eight hundred eight thousand, one hundred thirty-one".

Divisors: 1 23 1513397 34808131