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2473040 = 245191627
BaseRepresentation
bin1001011011110001010000
311122122101002
421123301100
51113114130
6125001132
730010013
oct11336120
94578332
102473040
11143a039
129b31a8
1368784b
1448537a
1533cb45
hex25bc50

2473040 has 40 divisors (see below), whose sum is σ = 6056160. Its totient is φ = 936576.

The previous prime is 2473039. The next prime is 2473049. The reversal of 2473040 is 403742.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×24730402 = 12231853683200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (151404).

22473040 is an apocalyptic number.

2473040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2473040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028080).

2473040 is an abundant number, since it is smaller than the sum of its proper divisors (3583120).

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

2473040 is a wasteful number, since it uses less digits than its factorization.

2473040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2473040 is about 1572.5902199874. The cubic root of 2473040 is about 135.2312451857.

Adding to 2473040 its reverse (403742), we get a palindrome (2876782).

The spelling of 2473040 in words is "two million, four hundred seventy-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 1627 3254 6508 8135 13016 16270 26032 30913 32540 61826 65080 123652 130160 154565 247304 309130 494608 618260 1236520 2473040