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3940353 = 33197681
BaseRepresentation
bin1111000010000000000001
321102012011000
433002000001
52002042403
6220242213
745330624
oct17020001
97365130
103940353
11225149a
1213a0369
13a7c691
14747dbb
1552c7a3
hex3c2001

3940353 has 16 divisors (see below), whose sum is σ = 6145600. Its totient is φ = 2488320.

The previous prime is 3940351. The next prime is 3940367. The reversal of 3940353 is 3530493.

It is not a de Polignac number, because 3940353 - 21 = 3940351 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3328 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (384100).

It is a Proth number, since it is equal to 481 ⋅ 213 + 1 and 481 < 213.

Almost surely, 23940353 is an apocalyptic number.

It is an amenable number.

3940353 is a deficient number, since it is larger than the sum of its proper divisors (2205247).

3940353 is a wasteful number, since it uses less digits than its factorization.

3940353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709 (or 7703 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 3940353 is about 1985.0322415518. The cubic root of 3940353 is about 157.9471195145.

The spelling of 3940353 in words is "three million, nine hundred forty thousand, three hundred fifty-three".

Divisors: 1 3 9 19 27 57 171 513 7681 23043 69129 145939 207387 437817 1313451 3940353