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3493742 = 271631531
BaseRepresentation
bin1101010100111101101110
320120111111212
431110331232
51343244432
6202514422
741460560
oct15247556
96514455
103493742
111a7699a
121205a12
13954305
1466d330
154902b2
hex354f6e

3493742 has 16 divisors (see below), whose sum is σ = 6029952. Its totient is φ = 1487160.

The previous prime is 3493727. The next prime is 3493747. The reversal of 3493742 is 2473943.

It is a d-powerful number, because it can be written as 39 + 45 + 94 + 313 + 77 + 410 + 25 .

It is a junction number, because it is equal to n+sod(n) for n = 3493699 and 3493708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493747) 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, 1517 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (376872).

Almost surely, 23493742 is an apocalyptic number.

3493742 is a deficient number, since it is larger than the sum of its proper divisors (2536210).

3493742 is a wasteful number, since it uses less digits than its factorization.

3493742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 18144, while the sum is 32.

The square root of 3493742 is about 1869.1554242491. The cubic root of 3493742 is about 151.7389042565.

The spelling of 3493742 in words is "three million, four hundred ninety-three thousand, seven hundred forty-two".

Divisors: 1 2 7 14 163 326 1141 1531 2282 3062 10717 21434 249553 499106 1746871 3493742