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38725837 = 103375979
BaseRepresentation
bin1001001110111…
…0100011001101
32200212110212021
42103232203031
534403211322
63502010141
7650110213
oct223564315
980773767
1038725837
111a950327
1210b76951
13803b8c7
145200cb3
1535ee4c7
hex24ee8cd

38725837 has 4 divisors (see below), whose sum is σ = 39101920. Its totient is φ = 38349756.

The previous prime is 38725831. The next prime is 38725867. The reversal of 38725837 is 73852783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73852783 = 491150413.

It is a cyclic number.

It is not a de Polignac number, because 38725837 - 215 = 38693069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38725793 and 38725802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38725831) 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, 187887 + ... + 188092.

It is an arithmetic number, because the mean of its divisors is an integer number (9775480).

Almost surely, 238725837 is an apocalyptic number.

It is an amenable number.

38725837 is a deficient number, since it is larger than the sum of its proper divisors (376083).

38725837 is a wasteful number, since it uses less digits than its factorization.

38725837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376082.

The product of its digits is 282240, while the sum is 43.

The square root of 38725837 is about 6223.0086774807. The cubic root of 38725837 is about 338.3246213120.

The spelling of 38725837 in words is "thirty-eight million, seven hundred twenty-five thousand, eight hundred thirty-seven".

Divisors: 1 103 375979 38725837