Search a number
-
+
2912428 = 221037069
BaseRepresentation
bin1011000111000010101100
312110222002201
423013002230
51221144203
6142231244
733520021
oct13070254
95428081
102912428
11170a172
12b85524
137ac83c
1455b548
153c7e1d
hex2c70ac

2912428 has 12 divisors (see below), whose sum is σ = 5146960. Its totient is φ = 1441872.

The previous prime is 2912411. The next prime is 2912431. The reversal of 2912428 is 8242192.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2912396 and 2912405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123 + ... + 3946.

22912428 is an apocalyptic number.

It is an amenable number.

2912428 is a deficient number, since it is larger than the sum of its proper divisors (2234532).

2912428 is a wasteful number, since it uses less digits than its factorization.

2912428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176 (or 7174 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2912428 is about 1706.5837219428. The cubic root of 2912428 is about 142.8077354858.

The spelling of 2912428 in words is "two million, nine hundred twelve thousand, four hundred twenty-eight".

Divisors: 1 2 4 103 206 412 7069 14138 28276 728107 1456214 2912428