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2499372 = 223269427
BaseRepresentation
bin1001100010001100101100
311200222111100
421202030230
51114434442
6125323100
730146541
oct11421454
94628440
102499372
1114578a7
12a06490
13696825
14490bc8
1534584c
hex26232c

2499372 has 18 divisors (see below), whose sum is σ = 6317948. Its totient is φ = 833112.

The previous prime is 2499337. The next prime is 2499373. The reversal of 2499372 is 2739942.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 69427 = 2499372 / (2 + 4 + 9 + 9 + 3 + 7 + 2).

It is an Ulam number.

It is a d-powerful number, because it can be written as 29 + 49 + 95 + 95 + 313 + 7 + 219 .

It is not an unprimeable number, because it can be changed into a prime (2499373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34678 + ... + 34749.

22499372 is an apocalyptic number.

It is an amenable number.

2499372 is an abundant number, since it is smaller than the sum of its proper divisors (3818576).

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

2499372 is a wasteful number, since it uses less digits than its factorization.

2499372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69437 (or 69432 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2499372 is about 1580.9402265740. The cubic root of 2499372 is about 135.7095155163.

The spelling of 2499372 in words is "two million, four hundred ninety-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 69427 138854 208281 277708 416562 624843 833124 1249686 2499372