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98130861 = 3210903429
BaseRepresentation
bin1011101100101…
…01101110101101
320211122120020100
411312111232231
5200110141421
613423141313
72301045543
oct566255655
9224576210
1098130861
1150435194
1228a44839
131743aaca
14d065d93
158935c26
hex5d95bad

98130861 has 6 divisors (see below), whose sum is σ = 141744590. Its totient is φ = 65420568.

The previous prime is 98130853. The next prime is 98130863. The reversal of 98130861 is 16803189.

It can be written as a sum of positive squares in only one way, i.e., 98128836 + 2025 = 9906^2 + 45^2 .

It is not a de Polignac number, because 98130861 - 23 = 98130853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98130863) by changing a digit.

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, 5451706 + ... + 5451723.

Almost surely, 298130861 is an apocalyptic number.

It is an amenable number.

98130861 is a deficient number, since it is larger than the sum of its proper divisors (43613729).

98130861 is a wasteful number, since it uses less digits than its factorization.

98130861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10903435 (or 10903432 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 98130861 is about 9906.1022102540. The cubic root of 98130861 is about 461.2487509606.

The spelling of 98130861 in words is "ninety-eight million, one hundred thirty thousand, eight hundred sixty-one".

Divisors: 1 3 9 10903429 32710287 98130861