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1230144414 = 23279173459
BaseRepresentation
bin100100101010010…
…1000001110011110
310011201201210220020
41021110220032132
510004404110124
6322022133010
742325024602
oct11124501636
93151653806
101230144414
11581425784
122a3b81166
13167b1a105
14b9539502
1572ee2379
hex4952839e

1230144414 has 16 divisors (see below), whose sum is σ = 2461203840. Its totient is φ = 409895640.

The previous prime is 1230144413. The next prime is 1230144427. The reversal of 1230144414 is 4144410321.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230144413) 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, 19984 + ... + 53475.

It is an arithmetic number, because the mean of its divisors is an integer number (153825240).

Almost surely, 21230144414 is an apocalyptic number.

1230144414 is an abundant number, since it is smaller than the sum of its proper divisors (1231059426).

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

1230144414 is a wasteful number, since it uses less digits than its factorization.

1230144414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76255.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1230144414 is about 35073.4146327386. The cubic root of 1230144414 is about 1071.4832006025.

Adding to 1230144414 its reverse (4144410321), we get a palindrome (5374554735).

The spelling of 1230144414 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 3 6 2791 5582 8373 16746 73459 146918 220377 440754 205024069 410048138 615072207 1230144414