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1102440431 = 41157917029
BaseRepresentation
bin100000110110101…
…1110011111101111
32211211102202222002
41001231132133233
54224211043211
6301221042515
736214406021
oct10155363757
92754382862
101102440431
115163318a4
1226925643b
13147526721
14a65b6011
1566bb903b
hex41b5e7ef

1102440431 has 8 divisors (see below), whose sum is σ = 1130110800. Its totient is φ = 1074807360.

The previous prime is 1102440397. The next prime is 1102440433. The reversal of 1102440431 is 1340442011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102440431 - 214 = 1102424047 is a prime.

It is a super-2 number, since 2×11024404312 = 2430749807806931522, 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 (1102440433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56225 + ... + 73253.

It is an arithmetic number, because the mean of its divisors is an integer number (141263850).

Almost surely, 21102440431 is an apocalyptic number.

1102440431 is a deficient number, since it is larger than the sum of its proper divisors (27670369).

1102440431 is a wasteful number, since it uses less digits than its factorization.

1102440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18649.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1102440431 is about 33203.0184019465. The cubic root of 1102440431 is about 1033.0429480839.

Adding to 1102440431 its reverse (1340442011), we get a palindrome (2442882442).

The spelling of 1102440431 in words is "one billion, one hundred two million, four hundred forty thousand, four hundred thirty-one".

Divisors: 1 41 1579 17029 64739 698189 26888791 1102440431