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38864897 = 227313547
BaseRepresentation
bin1001010001000…
…0100000000001
32201010112121122
42110100200001
534422134042
63505002025
7651226511
oct224204001
981115548
1038864897
111aa35855
1211023315
138089ca6
145239841
15362a7d2
hex2510801

38864897 has 8 divisors (see below), whose sum is σ = 39232416. Its totient is φ = 38499552.

The previous prime is 38864809. The next prime is 38864909. The reversal of 38864897 is 79846883.

It is a happy number.

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 38864897 - 220 = 37816321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38864807) 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, 70778 + ... + 71324.

It is an arithmetic number, because the mean of its divisors is an integer number (4904052).

Almost surely, 238864897 is an apocalyptic number.

It is an amenable number.

38864897 is a deficient number, since it is larger than the sum of its proper divisors (367519).

38864897 is a wasteful number, since it uses less digits than its factorization.

38864897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 2322432, while the sum is 53.

The square root of 38864897 is about 6234.1717172372. The cubic root of 38864897 is about 338.7290990767.

The spelling of 38864897 in words is "thirty-eight million, eight hundred sixty-four thousand, eight hundred ninety-seven".

Divisors: 1 227 313 547 71051 124169 171211 38864897