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38877073 = 61363421
BaseRepresentation
bin1001010001001…
…1011110010001
32201011011022121
42110103132101
534423031243
63505134241
7651310144
oct224233621
981134277
1038877073
111aa43a14
121102a381
1380926b1
14524005b
15362e1ed
hex2513791

38877073 has 4 divisors (see below), whose sum is σ = 38941108. Its totient is φ = 38813040.

The previous prime is 38877071. The next prime is 38877089. The reversal of 38877073 is 37077883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 36869184 = 1417^2 + 6072^2 .

It is a cyclic number.

It is not a de Polignac number, because 38877073 - 21 = 38877071 is a prime.

It is a super-3 number, since 3×388770733 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38877071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31098 + ... + 32323.

It is an arithmetic number, because the mean of its divisors is an integer number (9735277).

Almost surely, 238877073 is an apocalyptic number.

It is an amenable number.

38877073 is a deficient number, since it is larger than the sum of its proper divisors (64035).

38877073 is an equidigital number, since it uses as much as digits as its factorization.

38877073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64034.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 38877073 is about 6235.1481939085. The cubic root of 38877073 is about 338.7644689108.

The spelling of 38877073 in words is "thirty-eight million, eight hundred seventy-seven thousand, seventy-three".

Divisors: 1 613 63421 38877073