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3740681 = 72918427
BaseRepresentation
bin1110010001010000001001
321001001020202
432101100021
51424200211
6212101545
743536530
oct16212011
97031222
103740681
11212547a
1213048b5
13a0c829
146d5317
154dd53b
hex391409

3740681 has 8 divisors (see below), whose sum is σ = 4422720. Its totient is φ = 3095568.

The previous prime is 3740669. The next prime is 3740689. The reversal of 3740681 is 1860473.

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

It is a de Polignac number, because none of the positive numbers 2k-3740681 is a prime.

It is a super-2 number, since 2×37406812 = 27985388687522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3740689) 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, 9011 + ... + 9416.

It is an arithmetic number, because the mean of its divisors is an integer number (552840).

Almost surely, 23740681 is an apocalyptic number.

It is an amenable number.

3740681 is a deficient number, since it is larger than the sum of its proper divisors (682039).

3740681 is a wasteful number, since it uses less digits than its factorization.

3740681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18463.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3740681 is about 1934.0840209257. The cubic root of 3740681 is about 155.2328238799.

The spelling of 3740681 in words is "three million, seven hundred forty thousand, six hundred eighty-one".

Divisors: 1 7 29 203 18427 128989 534383 3740681