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988145330 = 2598814533
BaseRepresentation
bin111010111001011…
…110011010110010
32112212100222120012
4322321132122302
54010431122310
6242015214522
733326045114
oct7271363262
92485328505
10988145330
11467867237
12236b17442
131299493a3
14953433b4
155bb3dc05
hex3ae5e6b2

988145330 has 8 divisors (see below), whose sum is σ = 1778661612. Its totient is φ = 395258128.

The previous prime is 988145309. The next prime is 988145339. The reversal of 988145330 is 33541889.

It can be written as a sum of positive squares in 2 ways, for example, as 922519129 + 65626201 = 30373^2 + 8101^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (988145339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49407257 + ... + 49407276.

Almost surely, 2988145330 is an apocalyptic number.

988145330 is a deficient number, since it is larger than the sum of its proper divisors (790516282).

988145330 is a wasteful number, since it uses less digits than its factorization.

988145330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98814540.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 988145330 is about 31434.7789876118. The cubic root of 988145330 is about 996.0327248754.

The spelling of 988145330 in words is "nine hundred eighty-eight million, one hundred forty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 98814533 197629066 494072665 988145330