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1554022068 = 223129501839
BaseRepresentation
bin101110010100000…
…0111111010110100
311000022011111111220
41130220013322310
511140312201233
6414112030340
753336653404
oct13450077264
94008144456
101554022068
11728228865
123745323b0
131b9c582b1
1410a566804
159166aeb3
hex5ca07eb4

1554022068 has 12 divisors (see below), whose sum is σ = 3626051520. Its totient is φ = 518007352.

The previous prime is 1554022061. The next prime is 1554022069. The reversal of 1554022068 is 8602204551.

1554022068 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554022061) 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, 64750908 + ... + 64750931.

It is an arithmetic number, because the mean of its divisors is an integer number (302170960).

Almost surely, 21554022068 is an apocalyptic number.

It is an amenable number.

1554022068 is an abundant number, since it is smaller than the sum of its proper divisors (2072029452).

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

1554022068 is a wasteful number, since it uses less digits than its factorization.

1554022068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129501846 (or 129501844 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1554022068 is about 39421.0865908082. The cubic root of 1554022068 is about 1158.2946771405.

The spelling of 1554022068 in words is "one billion, five hundred fifty-four million, twenty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 129501839 259003678 388505517 518007356 777011034 1554022068