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54103140 = 22345713367
BaseRepresentation
bin1100111001100…
…0110001100100
310202210201120000
43032120301210
5102322300030
65211341300
71224604050
oct316306144
9122721500
1054103140
11285a3543
1216151830
13b293bc0
147284c60
154b3a860
hex3398c64

54103140 has 240 divisors, whose sum is σ = 209459712. Its totient is φ = 11384064.

The previous prime is 54103097. The next prime is 54103141. The reversal of 54103140 is 4130145.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (54103141) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 147237 + ... + 147603.

Almost surely, 254103140 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 54103140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104729856).

54103140 is an abundant number, since it is smaller than the sum of its proper divisors (155356572).

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

54103140 is a wasteful number, since it uses less digits than its factorization.

54103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 54103140 is about 7355.4836686652. The cubic root of 54103140 is about 378.2168068408.

Adding to 54103140 its reverse (4130145), we get a palindrome (58233285).

The spelling of 54103140 in words is "fifty-four million, one hundred three thousand, one hundred forty".