Search a number
-
+
140454054 = 23313238699
BaseRepresentation
bin10000101111100…
…10100010100110
3100210021210202000
420113302202212
5241424012204
621534230130
73323561016
oct1027624246
9323253660
10140454054
1172312234
123b055346
1323138c10
1414921c46
15c4e6039
hex85f28a6

140454054 has 64 divisors (see below), whose sum is σ = 350784000. Its totient is φ = 41332896.

The previous prime is 140454053. The next prime is 140454059. The reversal of 140454054 is 450454041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140454053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11797 + ... + 20495.

It is an arithmetic number, because the mean of its divisors is an integer number (5481000).

Almost surely, 2140454054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140454054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175392000).

140454054 is an abundant number, since it is smaller than the sum of its proper divisors (210329946).

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

140454054 is a wasteful number, since it uses less digits than its factorization.

140454054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746 (or 8740 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 140454054 is about 11851.3313176200. The cubic root of 140454054 is about 519.8101550576.

The spelling of 140454054 in words is "one hundred forty million, four hundred fifty-four thousand, fifty-four".

Divisors: 1 2 3 6 9 13 18 23 26 27 39 46 54 69 78 117 138 207 234 299 351 414 598 621 702 897 1242 1794 2691 5382 8073 8699 16146 17398 26097 52194 78291 113087 156582 200077 226174 234873 339261 400154 469746 600231 678522 1017783 1200462 1800693 2035566 2601001 3053349 3601386 5202002 5402079 6106698 7803003 10804158 15606006 23409009 46818018 70227027 140454054