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38068713 = 3231136447
BaseRepresentation
bin1001000100111…
…0000111101001
32122122002110100
42101032013221
534221144323
63435540013
7641402334
oct221160751
978562410
1038068713
111a541651
12108ba609
137b6b787
1450ad61b
15351e943
hex244e1e9

38068713 has 12 divisors (see below), whose sum is σ = 56762368. Its totient is φ = 24560280.

The previous prime is 38068699. The next prime is 38068721. The reversal of 38068713 is 31786083.

It is not a de Polignac number, because 38068713 - 218 = 37806569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38068733) 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, 67945 + ... + 68502.

Almost surely, 238068713 is an apocalyptic number.

It is an amenable number.

38068713 is a deficient number, since it is larger than the sum of its proper divisors (18693655).

38068713 is a wasteful number, since it uses less digits than its factorization.

38068713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136484 (or 136481 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38068713 is about 6169.9848460106. The cubic root of 38068713 is about 336.4000602542.

It can be divided in two parts, 38068 and 713, that added together give a triangular number (38781 = T278).

The spelling of 38068713 in words is "thirty-eight million, sixty-eight thousand, seven hundred thirteen".

Divisors: 1 3 9 31 93 279 136447 409341 1228023 4229857 12689571 38068713