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2497428 = 2232173401
BaseRepresentation
bin1001100001101110010100
311200212211100
421201232110
51114404203
6125310100
730141063
oct11415624
94625740
102497428
11145639a
12a05330
1369598b
144901da
15344ea3
hex261b94

2497428 has 36 divisors (see below), whose sum is σ = 6365268. Its totient is φ = 825600.

The previous prime is 2497423. The next prime is 2497447. The reversal of 2497428 is 8247942.

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 101124 = 1548^2 + 318^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2497392 and 2497401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497421) 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, 6028 + ... + 6428.

It is an arithmetic number, because the mean of its divisors is an integer number (176813).

22497428 is an apocalyptic number.

It is an amenable number.

2497428 is an abundant number, since it is smaller than the sum of its proper divisors (3867840).

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

2497428 is a wasteful number, since it uses less digits than its factorization.

2497428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 579 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2497428 is about 1580.3252829718. The cubic root of 2497428 is about 135.6743216453.

The spelling of 2497428 in words is "two million, four hundred ninety-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 173 346 401 519 692 802 1038 1203 1557 1604 2076 2406 3114 3609 4812 6228 7218 14436 69373 138746 208119 277492 416238 624357 832476 1248714 2497428