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1420134441 = 31155777261
BaseRepresentation
bin101010010100101…
…1000100000101001
310122222020022012220
41110221120200221
510402023300231
6352530224253
750122641435
oct12451304051
93588208186
101420134441
116696a1030
12337725089
131982ab14b
14d68739c5
1584a20896
hex54a58829

1420134441 has 16 divisors (see below), whose sum is σ = 2069385408. Its totient is φ = 859131200.

The previous prime is 1420134431. The next prime is 1420134497. The reversal of 1420134441 is 1444310241.

It is a cyclic number.

It is not a de Polignac number, because 1420134441 - 25 = 1420134409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420134421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20250 + ... + 57011.

It is an arithmetic number, because the mean of its divisors is an integer number (129336588).

Almost surely, 21420134441 is an apocalyptic number.

1420134441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420134441 is a deficient number, since it is larger than the sum of its proper divisors (649250967).

1420134441 is a wasteful number, since it uses less digits than its factorization.

1420134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77832.

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

The square root of 1420134441 is about 37684.6711674654. The cubic root of 1420134441 is about 1124.0263354328.

Adding to 1420134441 its reverse (1444310241), we get a palindrome (2864444682).

The spelling of 1420134441 in words is "one billion, four hundred twenty million, one hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 3 11 33 557 1671 6127 18381 77261 231783 849871 2549613 43034377 129103131 473378147 1420134441