Search a number
-
+
999999152 = 24235714759
BaseRepresentation
bin111011100110101…
…100011010110000
32120200200012221122
4323212230122300
54021444433102
6243121241412
733531565265
oct7346543260
92520605848
10999999152
11473523189
1223aa93268
1312c239999
1496b4b26c
155cbd10a2
hex3b9ac6b0

999999152 has 40 divisors (see below), whose sum is σ = 2025703680. Its totient is φ = 477322560.

The previous prime is 999999151. The next prime is 999999163. The reversal of 999999152 is 251999999.

It is not an unprimeable number, because it can be changed into a prime (999999151) 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, 207749 + ... + 212507.

It is an arithmetic number, because the mean of its divisors is an integer number (50642592).

Almost surely, 2999999152 is an apocalyptic number.

999999152 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999999152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012851840).

999999152 is an abundant number, since it is smaller than the sum of its proper divisors (1025704528).

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

999999152 is a wasteful number, since it uses less digits than its factorization.

999999152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361 (or 5355 counting only the distinct ones).

The product of its digits is 5314410, while the sum is 62.

The square root of 999999152 is about 31622.7631936237. The cubic root of 999999152 is about 999.9997173333. Note that the first 3 decimals are identical.

The spelling of 999999152 in words is "nine hundred ninety-nine million, nine hundred ninety-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 571 1142 2284 4568 4759 9136 9518 13133 19036 26266 38072 52532 76144 105064 109457 210128 218914 437828 875656 1751312 2717389 5434778 10869556 21739112 43478224 62499947 124999894 249999788 499999576 999999152