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154114140 = 22352568569
BaseRepresentation
bin10010010111110…
…01100001011100
3101201222210212010
421023321201130
5303423123030
623143111220
73550643235
oct1113714134
9351883763
10154114140
1179aa2264
1243742510
1325c0c6cb
141667a08c
15d7e36b0
hex92f985c

154114140 has 24 divisors (see below), whose sum is σ = 431519760. Its totient is φ = 41097088.

The previous prime is 154114123. The next prime is 154114141. The reversal of 154114140 is 41411451.

154114140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154114141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284225 + ... + 1284344.

It is an arithmetic number, because the mean of its divisors is an integer number (17979990).

Almost surely, 2154114140 is an apocalyptic number.

154114140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154114140 is an abundant number, since it is smaller than the sum of its proper divisors (277405620).

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

154114140 is a wasteful number, since it uses less digits than its factorization.

154114140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568581 (or 2568579 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 154114140 is about 12414.2716258345. The cubic root of 154114140 is about 536.1432332365.

Adding to 154114140 its reverse (41411451), we get a palindrome (195525591).

The spelling of 154114140 in words is "one hundred fifty-four million, one hundred fourteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2568569 5137138 7705707 10274276 12842845 15411414 25685690 30822828 38528535 51371380 77057070 154114140