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124140418 = 2449138241
BaseRepresentation
bin1110110011000…
…11101110000010
322122120222122021
413121203232002
5223234443133
620152432054
73035114263
oct731435602
9278528567
10124140418
116408a596
12356a862a
131c94668c
14126b696a
15ad7252d
hex7663b82

124140418 has 8 divisors (see below), whose sum is σ = 186626700. Its totient is φ = 61931520.

The previous prime is 124140397. The next prime is 124140449. The reversal of 124140418 is 814041421.

It can be written as a sum of positive squares in 2 ways, for example, as 119180889 + 4959529 = 10917^2 + 2227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 124140392 and 124140401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68223 + ... + 70018.

Almost surely, 2124140418 is an apocalyptic number.

124140418 is a deficient number, since it is larger than the sum of its proper divisors (62486282).

124140418 is a wasteful number, since it uses less digits than its factorization.

124140418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138692.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 124140418 is about 11141.8318960573. The cubic root of 124140418 is about 498.8512534506.

Adding to 124140418 its reverse (814041421), we get a palindrome (938181839).

The spelling of 124140418 in words is "one hundred twenty-four million, one hundred forty thousand, four hundred eighteen".

Divisors: 1 2 449 898 138241 276482 62070209 124140418