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1440214124 = 222912415639
BaseRepresentation
bin101010111010111…
…1110110001101100
310201101000110100212
41111311332301230
510422143322444
6354524441552
750455421666
oct12565766154
93641013325
101440214124
11679a66208
123423a92b8
1319c4bb90b
14d93bd536
158668a19e
hex55d7ec6c

1440214124 has 12 divisors (see below), whose sum is σ = 2607284400. Its totient is φ = 695275728.

The previous prime is 1440214123. The next prime is 1440214129. The reversal of 1440214124 is 4214120441.

It is a self number, because there is not a number n which added to its sum of digits gives 1440214124.

It is not an unprimeable number, because it can be changed into a prime (1440214121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6207704 + ... + 6207935.

It is an arithmetic number, because the mean of its divisors is an integer number (217273700).

Almost surely, 21440214124 is an apocalyptic number.

It is an amenable number.

1440214124 is a deficient number, since it is larger than the sum of its proper divisors (1167070276).

1440214124 is a wasteful number, since it uses less digits than its factorization.

1440214124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415672 (or 12415670 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1440214124 is about 37950.1531485711. The cubic root of 1440214124 is about 1129.2992036606.

Adding to 1440214124 its reverse (4214120441), we get a palindrome (5654334565).

The spelling of 1440214124 in words is "one billion, four hundred forty million, two hundred fourteen thousand, one hundred twenty-four".

Divisors: 1 2 4 29 58 116 12415639 24831278 49662556 360053531 720107062 1440214124