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2907428 = 223123447
BaseRepresentation
bin1011000101110100100100
312110201020112
423011310210
51221014203
6142152152
733466316
oct13056444
95421215
102907428
111706437
12b82658
137aa494
145597b6
153c66d8
hex2c5d24

2907428 has 12 divisors (see below), whose sum is σ = 5252352. Its totient is φ = 1406760.

The previous prime is 2907427. The next prime is 2907451. The reversal of 2907428 is 8247092.

It is a junction number, because it is equal to n+sod(n) for n = 2907394 and 2907403.

It is not an unprimeable number, because it can be changed into a prime (2907427) 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, 11600 + ... + 11847.

It is an arithmetic number, because the mean of its divisors is an integer number (437696).

22907428 is an apocalyptic number.

It is an amenable number.

2907428 is a deficient number, since it is larger than the sum of its proper divisors (2344924).

2907428 is a wasteful number, since it uses less digits than its factorization.

2907428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23482 (or 23480 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2907428 is about 1705.1181777226. The cubic root of 2907428 is about 142.7259654891.

The spelling of 2907428 in words is "two million, nine hundred seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 31 62 124 23447 46894 93788 726857 1453714 2907428