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988252999 = 3125319403
BaseRepresentation
bin111010111001111…
…000101101000111
32112212120110020221
4322321320231013
54010443043444
6242021405211
733330004036
oct7271705507
92485513227
10988252999
11467930118
12236b69807
131299863b6
149537071d
155bb60a84
hex3ae78b47

988252999 has 12 divisors (see below), whose sum is σ = 1040481288. Its totient is φ = 938280720.

The previous prime is 988252987. The next prime is 988253003. The reversal of 988252999 is 999252889.

It is not a de Polignac number, because 988252999 - 219 = 987728711 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 (988252919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41232 + ... + 60634.

It is an arithmetic number, because the mean of its divisors is an integer number (86706774).

Almost surely, 2988252999 is an apocalyptic number.

988252999 is a deficient number, since it is larger than the sum of its proper divisors (52228289).

988252999 is a wasteful number, since it uses less digits than its factorization.

988252999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19518 (or 19487 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 61.

The square root of 988252999 is about 31436.4915186158. The cubic root of 988252999 is about 996.0688997003.

The spelling of 988252999 in words is "nine hundred eighty-eight million, two hundred fifty-two thousand, nine hundred ninety-nine".

Divisors: 1 31 53 961 1643 19403 50933 601493 1028359 18646283 31879129 988252999