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2497031930 = 254353109567
BaseRepresentation
bin1001010011010101…
…1010111011111010
320110000121100212002
42110311122323322
520103220010210
61051440021002
7115610264321
oct22465327372
96400540762
102497031930
111071567058
12598301762
1330a4304b3
141998bb0b8
15e93414a5
hex94d5aefa

2497031930 has 32 divisors (see below), whose sum is σ = 4686004224. Its totient is φ = 957168576.

The previous prime is 2497031903. The next prime is 2497031939. The reversal of 2497031930 is 391307942.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2497031939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31994 + ... + 77573.

It is an arithmetic number, because the mean of its divisors is an integer number (146437632).

Almost surely, 22497031930 is an apocalyptic number.

2497031930 is a deficient number, since it is larger than the sum of its proper divisors (2188972294).

2497031930 is a wasteful number, since it uses less digits than its factorization.

2497031930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109670.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 2497031930 is about 49970.3104853272. The cubic root of 2497031930 is about 1356.6714901686.

The spelling of 2497031930 in words is "two billion, four hundred ninety-seven million, thirty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 43 53 86 106 215 265 430 530 2279 4558 11395 22790 109567 219134 547835 1095670 4711381 5807051 9422762 11614102 23556905 29035255 47113810 58070510 249703193 499406386 1248515965 2497031930