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4001697 = 33731683
BaseRepresentation
bin1111010000111110100001
321112022022000
433100332201
52011023242
6221434213
746004520
oct17207641
97468260
104001697
112293597
12140b969
13aa158b
147624b7
15540a4c
hex3d0fa1

4001697 has 32 divisors (see below), whose sum is σ = 7004160. Its totient is φ = 2209680.

The previous prime is 4001689. The next prime is 4001713. The reversal of 4001697 is 7961004.

It is not a de Polignac number, because 4001697 - 23 = 4001689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4001697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5518 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (218880).

Almost surely, 24001697 is an apocalyptic number.

It is an amenable number.

4001697 is a deficient number, since it is larger than the sum of its proper divisors (3002463).

4001697 is a wasteful number, since it uses less digits than its factorization.

4001697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 4001697 is about 2000.4242050125. The cubic root of 4001697 is about 158.7625505195.

The spelling of 4001697 in words is "four million, one thousand, six hundred ninety-seven".

Divisors: 1 3 7 9 21 27 31 63 93 189 217 279 651 683 837 1953 2049 4781 5859 6147 14343 18441 21173 43029 63519 129087 148211 190557 444633 571671 1333899 4001697