Search a number
-
+
125109152 = 2572731093
BaseRepresentation
bin1110111010100…
…00001110100000
322201102012111022
413131100032200
5224011443102
620225305012
73046260500
oct735201640
9281365438
10125109152
11646913a3
1235a95168
131cbc55ac
1412889a00
15aeb45a2
hex77503a0

125109152 has 72 divisors (see below), whose sum is σ = 290712996. Its totient is φ = 52835328.

The previous prime is 125109151. The next prime is 125109157. The reversal of 125109152 is 251901521.

It can be written as a sum of positive squares in 2 ways, for example, as 109077136 + 16032016 = 10444^2 + 4004^2 .

It is not an unprimeable number, because it can be changed into a prime (125109151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113918 + ... + 115010.

Almost surely, 2125109152 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 125109152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145356498).

125109152 is an abundant number, since it is smaller than the sum of its proper divisors (165603844).

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

125109152 is a wasteful number, since it uses less digits than its factorization.

125109152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 125109152 is about 11185.2202481668. The cubic root of 125109152 is about 500.1454936591.

The spelling of 125109152 in words is "one hundred twenty-five million, one hundred nine thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 73 98 112 146 196 224 292 392 511 584 784 1022 1093 1168 1568 2044 2186 2336 3577 4088 4372 7154 7651 8176 8744 14308 15302 16352 17488 28616 30604 34976 53557 57232 61208 79789 107114 114464 122416 159578 214228 244832 319156 428456 558523 638312 856912 1117046 1276624 1713824 2234092 2553248 3909661 4468184 7819322 8936368 15638644 17872736 31277288 62554576 125109152