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1400413141 = 5443257287
BaseRepresentation
bin101001101111000…
…1001101111010101
310121121010100200101
41103132021233111
510332001210031
6350543414101
746463213101
oct12336115725
93547110611
101400413141
11659551136
12330bb4331
1319419483a
14d3dbc901
1582e27361
hex53789bd5

1400413141 has 4 divisors (see below), whose sum is σ = 1400675872. Its totient is φ = 1400150412.

The previous prime is 1400413067. The next prime is 1400413243. The reversal of 1400413141 is 1413140041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1413140041 = 8591645099.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1400413141 is a prime.

It is a super-2 number, since 2×14004131412 = 3922313930970971762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400213141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123201 + ... + 134086.

It is an arithmetic number, because the mean of its divisors is an integer number (350168968).

Almost surely, 21400413141 is an apocalyptic number.

It is an amenable number.

1400413141 is a deficient number, since it is larger than the sum of its proper divisors (262731).

1400413141 is an equidigital number, since it uses as much as digits as its factorization.

1400413141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262730.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1400413141 is about 37422.0942893366. The cubic root of 1400413141 is about 1118.7989732273.

Adding to 1400413141 its reverse (1413140041), we get a palindrome (2813553182).

The spelling of 1400413141 in words is "one billion, four hundred million, four hundred thirteen thousand, one hundred forty-one".

Divisors: 1 5443 257287 1400413141