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1200664434 = 237311232441
BaseRepresentation
bin100011110010000…
…1010111101110010
310002200021001222010
41013210022331302
54424332230214
6315050223350
741516323254
oct10744127562
93080231863
101200664434
1156681aa62
12296124b56
13161997a38
14b5663cd4
157061c659
hex4790af72

1200664434 has 32 divisors (see below), whose sum is σ = 2437389504. Its totient is φ = 394225920.

The previous prime is 1200664433. The next prime is 1200664481. The reversal of 1200664434 is 4344660021.

1200664434 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1200664433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490654 + ... + 493094.

It is an arithmetic number, because the mean of its divisors is an integer number (76168422).

Almost surely, 21200664434 is an apocalyptic number.

1200664434 is an abundant number, since it is smaller than the sum of its proper divisors (1236725070).

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

1200664434 is a wasteful number, since it uses less digits than its factorization.

1200664434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1200664434 is about 34650.6051029416. The cubic root of 1200664434 is about 1062.8546625739.

The spelling of 1200664434 in words is "one billion, two hundred million, six hundred sixty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 73 146 219 438 1123 2246 2441 3369 4882 6738 7323 14646 81979 163958 178193 245937 356386 491874 534579 1069158 2741243 5482486 8223729 16447458 200110739 400221478 600332217 1200664434