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38100161 = 1127112781
BaseRepresentation
bin1001000101010…
…1110011000001
32122200200121002
42101111303001
534223201121
63440341345
7641563121
oct221256301
978620532
1038100161
111a563240
1210914855
137b7cb98
1450bac81
153528e0b
hex2455cc1

38100161 has 8 divisors (see below), whose sum is σ = 41720448. Its totient is φ = 34506000.

The previous prime is 38100157. The next prime is 38100197. The reversal of 38100161 is 16100183.

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 38100161 - 22 = 38100157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38100061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (5215056).

Almost surely, 238100161 is an apocalyptic number.

It is an amenable number.

38100161 is a deficient number, since it is larger than the sum of its proper divisors (3620287).

38100161 is a wasteful number, since it uses less digits than its factorization.

38100161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 38100161 is about 6172.5327864662. The cubic root of 38100161 is about 336.4926664612.

The spelling of 38100161 in words is "thirty-eight million, one hundred thousand, one hundred sixty-one".

Divisors: 1 11 271 2981 12781 140591 3463651 38100161