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99706741 = 757131713
BaseRepresentation
bin1011111000101…
…10011101110101
320221121121221021
411330112131311
5201011103431
613521021141
72320331131
oct574263565
9227547837
1099706741
1151311172
12294847b1
1317870194
14d3563c1
158b47b11
hex5f16775

99706741 has 4 divisors (see below), whose sum is σ = 99839212. Its totient is φ = 99574272.

The previous prime is 99706729. The next prime is 99706753. The reversal of 99706741 is 14760799.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (99706729) and next prime (99706753).

It can be written as a sum of positive squares in 2 ways, for example, as 65950641 + 33756100 = 8121^2 + 5810^2 .

It is a 5-Lehmer number, since φ(99706741) divides (99706741-1)5.

It is a cyclic number.

It is not a de Polignac number, because 99706741 - 25 = 99706709 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 (99706721) 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 3 ways as a sum of consecutive naturals, for example, 65100 + ... + 66613.

It is an arithmetic number, because the mean of its divisors is an integer number (24959803).

Almost surely, 299706741 is an apocalyptic number.

It is an amenable number.

99706741 is a deficient number, since it is larger than the sum of its proper divisors (132471).

99706741 is a wasteful number, since it uses less digits than its factorization.

99706741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132470.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 99706741 is about 9985.3262841031. The cubic root of 99706741 is about 463.7047098701.

The spelling of 99706741 in words is "ninety-nine million, seven hundred six thousand, seven hundred forty-one".

Divisors: 1 757 131713 99706741