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385999002 = 23221444389
BaseRepresentation
bin10111000000011…
…110000010011010
3222220022210002100
4113000132002122
51242303432002
6102145144230
712364636344
oct2700360232
9886283070
10385999002
11188982844
12a932b076
1361c7b89c
143939c294
1523d4a11c
hex1701e09a

385999002 has 12 divisors (see below), whose sum is σ = 836331210. Its totient is φ = 128666328.

The previous prime is 385998959. The next prime is 385999013. The reversal of 385999002 is 200999583.

It can be written as a sum of positive squares in only one way, i.e., 364848201 + 21150801 = 19101^2 + 4599^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10722177 + ... + 10722212.

Almost surely, 2385999002 is an apocalyptic number.

385999002 is an abundant number, since it is smaller than the sum of its proper divisors (450332208).

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

385999002 is a wasteful number, since it uses less digits than its factorization.

385999002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21444397 (or 21444394 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 385999002 is about 19646.8573059408. The cubic root of 385999002 is about 728.1073144642.

The spelling of 385999002 in words is "three hundred eighty-five million, nine hundred ninety-nine thousand, two".

Divisors: 1 2 3 6 9 18 21444389 42888778 64333167 128666334 192999501 385999002