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130742754 = 2321790459
BaseRepresentation
bin1111100101011…
…11100111100010
3100010000102100020
413302233213202
5231432232004
620550134310
73145203132
oct762574742
9303012306
10130742754
1167889a6a
1237951396
132111889c
1413514ac2
15b7288d9
hex7caf9e2

130742754 has 8 divisors (see below), whose sum is σ = 261485520. Its totient is φ = 43580916.

The previous prime is 130742749. The next prime is 130742771. The reversal of 130742754 is 457247031.

It is a sphenic number, since it is the product of 3 distinct primes.

130742754 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 10895224 + ... + 10895235.

It is an arithmetic number, because the mean of its divisors is an integer number (32685690).

Almost surely, 2130742754 is an apocalyptic number.

130742754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130742754 is a wasteful number, since it uses less digits than its factorization.

130742754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21790464.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 130742754 is about 11434.2797761818. The cubic root of 130742754 is about 507.5426500431.

Adding to 130742754 its reverse (457247031), we get a palindrome (587989785).

The spelling of 130742754 in words is "one hundred thirty million, seven hundred forty-two thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 21790459 43580918 65371377 130742754