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200030668 = 22431162969
BaseRepresentation
bin10111110110000…
…11100111001100
3111221101121111021
423323003213030
5402201440133
631503203524
74646142535
oct1373034714
9457347437
10200030668
11a2a04002
1256ba65a4
1332598256
141c7cd68c
151286352d
hexbec39cc

200030668 has 12 divisors (see below), whose sum is σ = 358194760. Its totient is φ = 97689312.

The previous prime is 200030657. The next prime is 200030669. The reversal of 200030668 is 866030002.

It is not an unprimeable number, because it can be changed into a prime (200030669) 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, 581313 + ... + 581656.

Almost surely, 2200030668 is an apocalyptic number.

It is an amenable number.

200030668 is a deficient number, since it is larger than the sum of its proper divisors (158164092).

200030668 is a wasteful number, since it uses less digits than its factorization.

200030668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163016 (or 1163014 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 200030668 is about 14143.2198597066. The cubic root of 200030668 is about 584.8334373735.

The spelling of 200030668 in words is "two hundred million, thirty thousand, six hundred sixty-eight".

Divisors: 1 2 4 43 86 172 1162969 2325938 4651876 50007667 100015334 200030668