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2497032040 = 23579012
BaseRepresentation
bin1001010011010101…
…1010111101101000
320110000121101000011
42110311122331220
520103220011130
61051440021304
7115610264536
oct22465327550
96400541004
102497032040
111071567148
12598301834
1330a430569
141998bb156
15e934152a
hex94d5af68

2497032040 has 24 divisors (see below), whose sum is σ = 5619033270. Its totient is φ = 998686400.

The previous prime is 2497032023. The next prime is 2497032073. The reversal of 2497032040 is 402307942.

It can be written as a sum of positive squares in 3 ways, for example, as 2316881956 + 180150084 = 48134^2 + 13422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2497031993 and 2497032011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312090 + ... + 319990.

Almost surely, 22497032040 is an apocalyptic number.

2497032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2497032040 is an abundant number, since it is smaller than the sum of its proper divisors (3122001230).

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

2497032040 is an frugal number, since it uses more digits than its factorization.

2497032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813 (or 7908 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2497032040 is about 49970.3115859807. The cubic root of 2497032040 is about 1356.6715100901.

Adding to 2497032040 its reverse (402307942), we get a palindrome (2899339982).

The spelling of 2497032040 in words is "two billion, four hundred ninety-seven million, thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 7901 15802 31604 39505 63208 79010 158020 316040 62425801 124851602 249703204 312129005 499406408 624258010 1248516020 2497032040