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38039901 = 361720551
BaseRepresentation
bin1001000100011…
…1000101011101
32122120121221020
42101013011131
534214234101
63435154353
7641222334
oct221070535
978517836
1038039901
111a521a39
12108a59b9
137b5b623
1450a2d1b
153516136
hex244715d

38039901 has 8 divisors (see below), whose sum is σ = 50804544. Its totient is φ = 25317600.

The previous prime is 38039899. The next prime is 38039927. The reversal of 38039901 is 10993083.

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

It is not a de Polignac number, because 38039901 - 21 = 38039899 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38039941) 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, 8425 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (6350568).

Almost surely, 238039901 is an apocalyptic number.

It is an amenable number.

38039901 is a deficient number, since it is larger than the sum of its proper divisors (12764643).

38039901 is a wasteful number, since it uses less digits than its factorization.

38039901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21171.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 38039901 is about 6167.6495523011. The cubic root of 38039901 is about 336.3151716060.

The spelling of 38039901 in words is "thirty-eight million, thirty-nine thousand, nine hundred one".

Divisors: 1 3 617 1851 20551 61653 12679967 38039901