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34420131 = 325636793
BaseRepresentation
bin1000001101001…
…1010110100011
32101202201112200
42003103112203
532302421011
63225424243
7565365144
oct203232643
971681480
1034420131
111847a399
12b63b083
137191b55
1447ddacb
15304d856
hex20d35a3

34420131 has 12 divisors (see below), whose sum is σ = 49813608. Its totient is φ = 22902624.

The previous prime is 34420109. The next prime is 34420151. The reversal of 34420131 is 13102443.

It is not a de Polignac number, because 34420131 - 27 = 34420003 is a prime.

It is a super-2 number, since 2×344201312 = 2369490836114322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34420151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1671 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (4151134).

Almost surely, 234420131 is an apocalyptic number.

34420131 is a deficient number, since it is larger than the sum of its proper divisors (15393477).

34420131 is a wasteful number, since it uses less digits than its factorization.

34420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 34420131 is about 5866.8672219507. The cubic root of 34420131 is about 325.2900952244.

Adding to 34420131 its reverse (13102443), we get a palindrome (47522574).

The spelling of 34420131 in words is "thirty-four million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 9 563 1689 5067 6793 20379 61137 3824459 11473377 34420131