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2038909685 = 51392933683
BaseRepresentation
bin111100110000111…
…0100101011110101
312021002120100021112
41321201310223311
513133430102220
6534152524405
7101345306051
oct17141645365
95232510245
102038909685
11956a0302a
1248a9b0705
1326654b847
14154b06c61
15bdeeb5c5
hex79874af5

2038909685 has 8 divisors (see below), whose sum is σ = 2464294560. Its totient is φ = 1619392464.

The previous prime is 2038909667. The next prime is 2038909729. The reversal of 2038909685 is 5869098302.

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

It is a cyclic number.

It is not a de Polignac number, because 2038909685 - 28 = 2038909429 is a prime.

It is a Curzon number.

It is a congruent number.

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, 1466147 + ... + 1467536.

It is an arithmetic number, because the mean of its divisors is an integer number (308036820).

Almost surely, 22038909685 is an apocalyptic number.

It is an amenable number.

2038909685 is a deficient number, since it is larger than the sum of its proper divisors (425384875).

2038909685 is a wasteful number, since it uses less digits than its factorization.

2038909685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933827.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2038909685 is about 45154.2875594334. The cubic root of 2038909685 is about 1268.0391517083.

The spelling of 2038909685 in words is "two billion, thirty-eight million, nine hundred nine thousand, six hundred eighty-five".

Divisors: 1 5 139 695 2933683 14668415 407781937 2038909685