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3812941 = 112511381
BaseRepresentation
bin1110100010111001001101
321011201101001
432202321031
51434003231
6213420301
744260306
oct16427115
97151331
103812941
1121747a0
12133a691
13a366a2
147137ad
15504b61
hex3a2e4d

3812941 has 8 divisors (see below), whose sum is σ = 4179168. Its totient is φ = 3450000.

The previous prime is 3812923. The next prime is 3812951. The reversal of 3812941 is 1492183.

It can be divided in two parts, 3812 and 941, that added together give a triangular number (4753 = T97).

It is a happy number.

3812941 is a nontrivial binomial coefficient, being equal to C(2762, 2).

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

It is a 5-Lehmer number, since φ(3812941) divides (3812941-1)5.

It is a cyclic number.

It is not a de Polignac number, because 3812941 - 221 = 1715789 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812911) 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, 2071 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (522396).

Almost surely, 23812941 is an apocalyptic number.

3812941 is the 2761-st triangular number and also the 1381-st hexagonal number.

3812941 is the 921-st centered nonagonal number.

It is an amenable number.

3812941 is a deficient number, since it is larger than the sum of its proper divisors (366227).

3812941 is a wasteful number, since it uses less digits than its factorization.

3812941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 1728, while the sum is 28.

The square root of 3812941 is about 1952.6753442393. The cubic root of 3812941 is about 156.2260174391.

The spelling of 3812941 in words is "three million, eight hundred twelve thousand, nine hundred forty-one".

Divisors: 1 11 251 1381 2761 15191 346631 3812941