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109640037 = 3132811283
BaseRepresentation
bin1101000100011…
…11100101100101
321122022021212010
412202033211211
5211031440122
614513544433
72500632153
oct642174545
9248267763
10109640037
1156986201
1230875119
131993a580
14107c03d3
15995ae0c
hex688f965

109640037 has 8 divisors (see below), whose sum is σ = 157431904. Its totient is φ = 67470768.

The previous prime is 109640033. The next prime is 109640053. The reversal of 109640037 is 730046901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109640037 - 22 = 109640033 is a prime.

It is a super-2 number, since 2×1096400372 = 24041875426722738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109639986 and 109640013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109640033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405603 + ... + 1405680.

It is an arithmetic number, because the mean of its divisors is an integer number (19678988).

Almost surely, 2109640037 is an apocalyptic number.

It is an amenable number.

109640037 is a deficient number, since it is larger than the sum of its proper divisors (47791867).

109640037 is a wasteful number, since it uses less digits than its factorization.

109640037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811299.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 109640037 is about 10470.9138569659. The cubic root of 109640037 is about 478.6187679402.

Adding to 109640037 its reverse (730046901), we get a palindrome (839686938).

It can be divided in two parts, 109 and 640037, that added together give a triangular number (640146 = T1131).

The spelling of 109640037 in words is "one hundred nine million, six hundred forty thousand, thirty-seven".

Divisors: 1 3 13 39 2811283 8433849 36546679 109640037