Search a number
-
+
1224446136 = 23351018589
BaseRepresentation
bin100100011111011…
…1001000010111000
310011100000022022220
41020332321002320
510001424234021
6321300044040
742225422544
oct11076710270
93140008286
101224446136
11579193561
122a2093620
131668a3554
14b8894a24
1572768cc6
hex48fb90b8

1224446136 has 16 divisors (see below), whose sum is σ = 3061115400. Its totient is φ = 408148704.

The previous prime is 1224446077. The next prime is 1224446137. The reversal of 1224446136 is 6316444221.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1224446097 and 1224446106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224446137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25509271 + ... + 25509318.

Almost surely, 21224446136 is an apocalyptic number.

It is an amenable number.

1224446136 is an abundant number, since it is smaller than the sum of its proper divisors (1836669264).

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

1224446136 is a wasteful number, since it uses less digits than its factorization.

1224446136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51018598 (or 51018594 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 1224446136 is about 34992.0867625811. The cubic root of 1224446136 is about 1069.8261970592.

The spelling of 1224446136 in words is "one billion, two hundred twenty-four million, four hundred forty-six thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 51018589 102037178 153055767 204074356 306111534 408148712 612223068 1224446136