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3407949 = 32378661
BaseRepresentation
bin1101000000000001001101
320102010211100
431000001031
51333023244
6201013313
740652466
oct15000115
96363740
103407949
111a18496
121184239
1392424c
14649d6d
15474b69
hex34004d

3407949 has 6 divisors (see below), whose sum is σ = 4922606. Its totient is φ = 2271960.

The previous prime is 3407947. The next prime is 3407977. The reversal of 3407949 is 9497043.

It can be written as a sum of positive squares in only one way, i.e., 3348900 + 59049 = 1830^2 + 243^2 .

It is not a de Polignac number, because 3407949 - 21 = 3407947 is a prime.

It is a super-2 number, since 2×34079492 = 23228232773202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3407941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189322 + ... + 189339.

Almost surely, 23407949 is an apocalyptic number.

It is an amenable number.

3407949 is a deficient number, since it is larger than the sum of its proper divisors (1514657).

3407949 is a wasteful number, since it uses less digits than its factorization.

3407949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378667 (or 378664 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3407949 is about 1846.0631083471. The cubic root of 3407949 is about 150.4865533988.

It can be divided in two parts, 3407 and 949, that added together give a square (4356 = 662).

The spelling of 3407949 in words is "three million, four hundred seven thousand, nine hundred forty-nine".

Divisors: 1 3 9 378661 1135983 3407949