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2902428 = 2232372179
BaseRepresentation
bin1011000100100110011100
312110110101100
423010212130
51220334203
6142113100
733445614
oct13044634
95413340
102902428
111702701
12b7b790
137a8119
14557a44
153c4ea3
hex2c499c

2902428 has 36 divisors (see below), whose sum is σ = 7538440. Its totient is φ = 940896.

The previous prime is 2902423. The next prime is 2902429. The reversal of 2902428 is 8242092.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2902423) 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, 243 + ... + 2421.

22902428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2902428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3769220).

2902428 is an abundant number, since it is smaller than the sum of its proper divisors (4636012).

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

2902428 is a wasteful number, since it uses less digits than its factorization.

2902428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2902428 is about 1703.6513727873. The cubic root of 2902428 is about 142.6441016903.

The spelling of 2902428 in words is "two million, nine hundred two thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 2179 4358 6537 8716 13074 19611 26148 39222 78444 80623 161246 241869 322492 483738 725607 967476 1451214 2902428