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3916423 = 72257311
BaseRepresentation
bin1110111100001010000111
321100222022201
432330022013
52000311143
6215535331
745201100
oct16741207
97328281
103916423
112235515
12138a547
13a71814
1473d3a7
1552564d
hex3bc287

3916423 has 12 divisors (see below), whose sum is σ = 4588272. Its totient is φ = 3333120.

The previous prime is 3916411. The next prime is 3916433. The reversal of 3916423 is 3246193.

It is not a de Polignac number, because 3916423 - 25 = 3916391 is a prime.

It is a super-2 number, since 2×39164232 = 30676738229858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3916391 and 3916400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12438 + ... + 12748.

It is an arithmetic number, because the mean of its divisors is an integer number (382356).

Almost surely, 23916423 is an apocalyptic number.

3916423 is a deficient number, since it is larger than the sum of its proper divisors (671849).

3916423 is a wasteful number, since it uses less digits than its factorization.

3916423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 575 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 3916423 is about 1978.9954522434. The cubic root of 3916423 is about 157.6267292781.

The spelling of 3916423 in words is "three million, nine hundred sixteen thousand, four hundred twenty-three".

Divisors: 1 7 49 257 311 1799 2177 12593 15239 79927 559489 3916423