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1434432420 = 223257969069
BaseRepresentation
bin101010101111111…
…1011001110100100
310200222010201100200
41111133323032210
510414203314140
6354200510500
750355321501
oct12537731644
93628121320
101434432420
11676777343
1234047b430
1319b2460a5
14d87164a8
1585de7030
hex557fb3a4

1434432420 has 36 divisors (see below), whose sum is σ = 4351112220. Its totient is φ = 382515264.

The previous prime is 1434432371. The next prime is 1434432449. The reversal of 1434432420 is 242344341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 656691876 + 777740544 = 25626^2 + 27888^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3984355 + ... + 3984714.

Almost surely, 21434432420 is an apocalyptic number.

1434432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434432420 is an abundant number, since it is smaller than the sum of its proper divisors (2916679800).

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

1434432420 is a wasteful number, since it uses less digits than its factorization.

1434432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969084 (or 7969079 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1434432420 is about 37873.9015682303. The cubic root of 1434432420 is about 1127.7859956926.

Adding to 1434432420 its reverse (242344341), we get a palindrome (1676776761).

It can be divided in two parts, 14344 and 32420, that added together give a palindrome (46764).

The spelling of 1434432420 in words is "one billion, four hundred thirty-four million, four hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 7969069 15938138 23907207 31876276 39845345 47814414 71721621 79690690 95628828 119536035 143443242 159381380 239072070 286886484 358608105 478144140 717216210 1434432420