Search a number
-
+
124352140 = 22511565237
BaseRepresentation
bin1110110100101…
…11011010001100
322122222202001211
413122113122030
5223313232030
620201144204
73036655453
oct732273214
9278882054
10124352140
1164214670
123578b064
131c9bbb63
141272db9a
15adb512a
hex769768c

124352140 has 24 divisors (see below), whose sum is σ = 284879952. Its totient is φ = 45218880.

The previous prime is 124352119. The next prime is 124352149. The reversal of 124352140 is 41253421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (124352149) 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, 282399 + ... + 282838.

It is an arithmetic number, because the mean of its divisors is an integer number (11869998).

Almost surely, 2124352140 is an apocalyptic number.

124352140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124352140 is an abundant number, since it is smaller than the sum of its proper divisors (160527812).

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

124352140 is a wasteful number, since it uses less digits than its factorization.

124352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565257 (or 565255 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 124352140 is about 11151.3290687702. The cubic root of 124352140 is about 499.1346900078.

The spelling of 124352140 in words is "one hundred twenty-four million, three hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 565237 1130474 2260948 2826185 5652370 6217607 11304740 12435214 24870428 31088035 62176070 124352140