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38139035 = 511693437
BaseRepresentation
bin1001000101111…
…1010010011011
32122202122220212
42101133102123
534230422120
63441241335
7642114344
oct221372233
978678825
1038139035
111a58a470
121093324b
137b9479c
1450cb0cb
1535356c5
hex245f49b

38139035 has 8 divisors (see below), whose sum is σ = 49927536. Its totient is φ = 27737440.

The previous prime is 38139029. The next prime is 38139097. The reversal of 38139035 is 53093183.

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

It is not a de Polignac number, because 38139035 - 210 = 38138011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38138992 and 38139010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346664 + ... + 346773.

It is an arithmetic number, because the mean of its divisors is an integer number (6240942).

Almost surely, 238139035 is an apocalyptic number.

38139035 is a deficient number, since it is larger than the sum of its proper divisors (11788501).

38139035 is a wasteful number, since it uses less digits than its factorization.

38139035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693453.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 38139035 is about 6175.6809341157. The cubic root of 38139035 is about 336.6070699113.

The spelling of 38139035 in words is "thirty-eight million, one hundred thirty-nine thousand, thirty-five".

Divisors: 1 5 11 55 693437 3467185 7627807 38139035