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130250254 = 2478915569
BaseRepresentation
bin1111100001101…
…11011000001110
3100002002101202111
413300313120032
5231321002004
620531414234
73141052231
oct760673016
9302071674
10130250254
1167582a42
123775437a
1320ca5674
1413427418
15b67ca04
hex7c3760e

130250254 has 16 divisors (see below), whose sum is σ = 201787200. Its totient is φ = 63019264.

The previous prime is 130250213. The next prime is 130250261. The reversal of 130250254 is 452052031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582 + ... + 16150.

It is an arithmetic number, because the mean of its divisors is an integer number (12611700).

Almost surely, 2130250254 is an apocalyptic number.

130250254 is a deficient number, since it is larger than the sum of its proper divisors (71536946).

130250254 is a wasteful number, since it uses less digits than its factorization.

130250254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15707.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 130250254 is about 11412.7233384499. The cubic root of 130250254 is about 506.9045540535.

The spelling of 130250254 in words is "one hundred thirty million, two hundred fifty thousand, two hundred fifty-four".

Divisors: 1 2 47 89 94 178 4183 8366 15569 31138 731743 1385641 1463486 2771282 65125127 130250254