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54007890 = 2353158073
BaseRepresentation
bin1100111000000…
…1100001010010
310202121212220020
43032001201102
5102311223030
65205324310
71224026256
oct316014122
9122555806
1054007890
1128538a22
1216106696
13b25c741
14725c266
154b1c510
hex3381852

54007890 has 32 divisors (see below), whose sum is σ = 133802496. Its totient is φ = 13937280.

The previous prime is 54007873. The next prime is 54007897. The reversal of 54007890 is 9870045.

It is not an unprimeable number, because it can be changed into a prime (54007897) 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, 28107 + ... + 29966.

It is an arithmetic number, because the mean of its divisors is an integer number (4181328).

Almost surely, 254007890 is an apocalyptic number.

54007890 is an abundant number, since it is smaller than the sum of its proper divisors (79794606).

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

54007890 is a wasteful number, since it uses less digits than its factorization.

54007890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58114.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 54007890 is about 7349.0060552431. The cubic root of 54007890 is about 377.9947229184.

The spelling of 54007890 in words is "fifty-four million, seven thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 58073 116146 174219 290365 348438 580730 871095 1742190 1800263 3600526 5400789 9001315 10801578 18002630 27003945 54007890