Search a number
-
+
38946957 = 371854617
BaseRepresentation
bin1001010010010…
…0100010001101
32201021201011220
42110210202031
534432300312
63510433553
7652020660
oct224444215
981251156
1038946957
111aa91475
12110628b9
1380b844a
14525b6d7
153644c8c
hex252488d

38946957 has 8 divisors (see below), whose sum is σ = 59347776. Its totient is φ = 22255392.

The previous prime is 38946883. The next prime is 38946967. The reversal of 38946957 is 75964983.

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

It is not a de Polignac number, because 38946957 - 28 = 38946701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38946967) 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, 927288 + ... + 927329.

It is an arithmetic number, because the mean of its divisors is an integer number (7418472).

Almost surely, 238946957 is an apocalyptic number.

It is an amenable number.

38946957 is a deficient number, since it is larger than the sum of its proper divisors (20400819).

38946957 is a wasteful number, since it uses less digits than its factorization.

38946957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854627.

The product of its digits is 1632960, while the sum is 51.

The square root of 38946957 is about 6240.7497145776. The cubic root of 38946957 is about 338.9673309335.

It can be divided in two parts, 38946 and 957, that added together give a triangular number (39903 = T282).

The spelling of 38946957 in words is "thirty-eight million, nine hundred forty-six thousand, nine hundred fifty-seven".

Divisors: 1 3 7 21 1854617 5563851 12982319 38946957