Search a number
-
+
4991412 = 223415951
BaseRepresentation
bin10011000010100110110100
3100101120221010
4103002212310
52234211122
6254552220
760266136
oct23024664
910346833
104991412
1128aa138
121808670
131059bca
1493d056
15688e0c
hex4c29b4

4991412 has 12 divisors (see below), whose sum is σ = 11646656. Its totient is φ = 1663800.

The previous prime is 4991407. The next prime is 4991417. The reversal of 4991412 is 2141994.

It is an interprime number because it is at equal distance from previous prime (4991407) and next prime (4991417).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4991412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207964 + ... + 207987.

Almost surely, 24991412 is an apocalyptic number.

It is an amenable number.

4991412 is an abundant number, since it is smaller than the sum of its proper divisors (6655244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4991412 is a wasteful number, since it uses less digits than its factorization.

4991412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415958 (or 415956 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 4991412 is about 2234.1468170199. The cubic root of 4991412 is about 170.8996367392.

The spelling of 4991412 in words is "four million, nine hundred ninety-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 415951 831902 1247853 1663804 2495706 4991412