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130958371 = 631207541
BaseRepresentation
bin1111100111001…
…00010000100011
3100010102101010001
413303210100203
5232011131441
620554520431
73150061555
oct763442043
9303371101
10130958371
1167a16a65
1237a36117
1321192a7b
141356d4d5
15b76c731
hex7ce4423

130958371 has 4 divisors (see below), whose sum is σ = 131166544. Its totient is φ = 130750200.

The previous prime is 130958357. The next prime is 130958383. The reversal of 130958371 is 173859031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130958371 - 211 = 130956323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130958371.

It is not an unprimeable number, because it can be changed into a prime (130958341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103140 + ... + 104401.

It is an arithmetic number, because the mean of its divisors is an integer number (32791636).

Almost surely, 2130958371 is an apocalyptic number.

130958371 is a deficient number, since it is larger than the sum of its proper divisors (208173).

130958371 is an equidigital number, since it uses as much as digits as its factorization.

130958371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208172.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 130958371 is about 11443.7044264521. The cubic root of 130958371 is about 507.8215048079.

The spelling of 130958371 in words is "one hundred thirty million, nine hundred fifty-eight thousand, three hundred seventy-one".

Divisors: 1 631 207541 130958371