Search a number
-
+
140954625 = 3253722557
BaseRepresentation
bin10000110011011…
…00110000000001
3100211020020101200
420121230300001
5242041022000
621553051413
73331044300
oct1031546001
9324206350
10140954625
1172624329
123b256b69
1323282a06
1414a12437
15c594500
hex866cc01

140954625 has 72 divisors (see below), whose sum is σ = 295694568. Its totient is φ = 64411200.

The previous prime is 140954623. The next prime is 140954641. The reversal of 140954625 is 526459041.

It can be written as a sum of positive squares in 4 ways, for example, as 8520561 + 132434064 = 2919^2 + 11508^2 .

It is not a de Polignac number, because 140954625 - 21 = 140954623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140954625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140954623) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53847 + ... + 56403.

It is an arithmetic number, because the mean of its divisors is an integer number (4106869).

Almost surely, 2140954625 is an apocalyptic number.

140954625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140954625 is an abundant number, since it is smaller than the sum of its proper divisors (154739943).

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

140954625 is a wasteful number, since it uses less digits than its factorization.

140954625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 140954625 is about 11872.4313011278. The cubic root of 140954625 is about 520.4269484192.

The spelling of 140954625 in words is "one hundred forty million, nine hundred fifty-four thousand, six hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 105 125 147 175 225 245 315 375 441 525 735 875 1125 1225 1575 2205 2557 2625 3675 6125 7671 7875 11025 12785 17899 18375 23013 38355 53697 55125 63925 89495 115065 125293 161091 191775 268485 319625 375879 447475 575325 626465 805455 958875 1127637 1342425 1879395 2237375 2876625 3132325 4027275 5638185 6712125 9396975 15661625 20136375 28190925 46984875 140954625