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1420411401 = 32157823489
BaseRepresentation
bin101010010101001…
…1100001000001001
310122222202101010200
41110222130020021
510402111131101
6352540202413
750125204053
oct12452341011
93588671120
101420411401
11669870122
12337839409
13198377226
14d69068d3
1584a77986
hex54a9c209

1420411401 has 6 divisors (see below), whose sum is σ = 2051705370. Its totient is φ = 946940928.

The previous prime is 1420411397. The next prime is 1420411409. The reversal of 1420411401 is 1041140241.

It can be written as a sum of positive squares in only one way, i.e., 1278777600 + 141633801 = 35760^2 + 11901^2 .

It is not a de Polignac number, because 1420411401 - 22 = 1420411397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420411409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78911736 + ... + 78911753.

It is an arithmetic number, because the mean of its divisors is an integer number (341950895).

Almost surely, 21420411401 is an apocalyptic number.

It is an amenable number.

1420411401 is a deficient number, since it is larger than the sum of its proper divisors (631293969).

1420411401 is a wasteful number, since it uses less digits than its factorization.

1420411401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157823495 (or 157823492 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1420411401 is about 37688.3456920040. The cubic root of 1420411401 is about 1124.0994013082.

Adding to 1420411401 its reverse (1041140241), we get a palindrome (2461551642).

The spelling of 1420411401 in words is "one billion, four hundred twenty million, four hundred eleven thousand, four hundred one".

Divisors: 1 3 9 157823489 473470467 1420411401