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545433408 = 263213233167
BaseRepresentation
bin100000100000101…
…010011101000000
31102000022212222100
4200200222131000
52104112332113
6130042310400
716342051602
oct4040523500
91360285870
10545433408
1125a979213
121327b8400
1389001a80
1452621172
1532d3ed73
hex2082a740

545433408 has 168 divisors, whose sum is σ = 1757403648. Its totient is φ = 160478208.

The previous prime is 545433401. The next prime is 545433409. The reversal of 545433408 is 804334545.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545433401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170641 + ... + 173807.

It is an arithmetic number, because the mean of its divisors is an integer number (10460736).

Almost surely, 2545433408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545433408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878701824).

545433408 is an abundant number, since it is smaller than the sum of its proper divisors (1211970240).

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

545433408 is a wasteful number, since it uses less digits than its factorization.

545433408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 545433408 is about 23354.5157945953. The cubic root of 545433408 is about 817.0473862971.

The spelling of 545433408 in words is "five hundred forty-five million, four hundred thirty-three thousand, four hundred eight".