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1431422450 = 25228628449
BaseRepresentation
bin101010101010001…
…1100010111110010
310200202110210110022
41111110130113302
510412421004300
6354012203442
750320614203
oct12524342762
93622423408
101431422450
11675000967
1233b469582
1319a731043
14d81715aa
1585a00285
hex5551c5f2

1431422450 has 12 divisors (see below), whose sum is σ = 2662445850. Its totient is φ = 572568960.

The previous prime is 1431422449. The next prime is 1431422483. The reversal of 1431422450 is 542241341.

It can be written as a sum of positive squares in 3 ways, for example, as 903663721 + 527758729 = 30061^2 + 22973^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14314175 + ... + 14314274.

Almost surely, 21431422450 is an apocalyptic number.

1431422450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1431422450 is a deficient number, since it is larger than the sum of its proper divisors (1231023400).

1431422450 is a wasteful number, since it uses less digits than its factorization.

1431422450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28628461 (or 28628456 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1431422450 is about 37834.1439707574. The cubic root of 1431422450 is about 1126.9966058463.

Adding to 1431422450 its reverse (542241341), we get a palindrome (1973663791).

The spelling of 1431422450 in words is "one billion, four hundred thirty-one million, four hundred twenty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 28628449 57256898 143142245 286284490 715711225 1431422450