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99992660 = 2254999633
BaseRepresentation
bin1011111010111…
…00010001010100
320222011011010212
411331130101110
5201044231120
613531104552
72322631535
oct575342124
9228134125
1099992660
1151496a69
12295a2158
1317940371
14d3cc68c
158ba26c5
hex5f5c454

99992660 has 12 divisors (see below), whose sum is σ = 209984628. Its totient is φ = 39997056.

The previous prime is 99992617. The next prime is 99992671. The reversal of 99992660 is 6629999.

It can be written as a sum of positive squares in 2 ways, for example, as 17073424 + 82919236 = 4132^2 + 9106^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99992599 and 99992608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2499797 + ... + 2499836.

It is an arithmetic number, because the mean of its divisors is an integer number (17498719).

Almost surely, 299992660 is an apocalyptic number.

It is an amenable number.

99992660 is an abundant number, since it is smaller than the sum of its proper divisors (109991968).

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

99992660 is a wasteful number, since it uses less digits than its factorization.

99992660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999642 (or 4999640 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 99992660 is about 9999.6329932653. The cubic root of 99992660 is about 464.1475266627.

The spelling of 99992660 in words is "ninety-nine million, nine hundred ninety-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 4999633 9999266 19998532 24998165 49996330 99992660