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998969461 = 7163875521
BaseRepresentation
bin111011100010110…
…001000001110101
32120121201220110221
4323202301001311
54021214010321
6243043214341
733520046260
oct7342610165
92517656427
10998969461
1147298a5a6
1223a6773b1
1312bc690b9
149695dcd7
155ca7ae41
hex3b8b1075

998969461 has 8 divisors (see below), whose sum is σ = 1148684864. Its totient is φ = 851005440.

The previous prime is 998969459. The next prime is 998969501. The reversal of 998969461 is 164969899.

998969461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a 7-Lehmer number, since φ(998969461) divides (998969461-1)7.

It is a cyclic number.

It is not a de Polignac number, because 998969461 - 21 = 998969459 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 998969461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998969431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436620 + ... + 438901.

It is an arithmetic number, because the mean of its divisors is an integer number (143585608).

Almost surely, 2998969461 is an apocalyptic number.

It is an amenable number.

998969461 is a deficient number, since it is larger than the sum of its proper divisors (149715403).

998969461 is a wasteful number, since it uses less digits than its factorization.

998969461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875691.

The product of its digits is 7558272, while the sum is 61.

The square root of 998969461 is about 31606.4781492655. The cubic root of 998969461 is about 999.6563689312.

The spelling of 998969461 in words is "nine hundred ninety-eight million, nine hundred sixty-nine thousand, four hundred sixty-one".

Divisors: 1 7 163 1141 875521 6128647 142709923 998969461