Search a number
-
+
2913428 = 227671553
BaseRepresentation
bin1011000111010010010100
312111000110202
423013102110
51221212203
6142240032
733522650
oct13072224
95430422
102913428
11170a9a1
12b86018
137b012b
1455ba60
153c8388
hex2c7494

2913428 has 24 divisors (see below), whose sum is σ = 5917632. Its totient is φ = 1229184.

The previous prime is 2913413. The next prime is 2913431. The reversal of 2913428 is 8243192.

It is a super-2 number, since 2×29134282 = 16976125422368, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2913428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (246568).

22913428 is an apocalyptic number.

2913428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2913428 is an abundant number, since it is smaller than the sum of its proper divisors (3004204).

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

2913428 is a wasteful number, since it uses less digits than its factorization.

2913428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2913428 is about 1706.8766797868. The cubic root of 2913428 is about 142.8240782525.

The spelling of 2913428 in words is "two million, nine hundred thirteen thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 67 134 268 469 938 1553 1876 3106 6212 10871 21742 43484 104051 208102 416204 728357 1456714 2913428