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1405370241 = 321197146347
BaseRepresentation
bin101001111000100…
…0011111110000001
310121221110012112200
41103301003332001
510334233321431
6351241543413
746553310222
oct12361037601
93557405480
101405370241
11661327510
123327a4b69
1319520bc32
14d490d249
15835a5ee6
hex53c43f81

1405370241 has 24 divisors (see below), whose sum is σ = 2237368224. Its totient is φ = 842952960.

The previous prime is 1405370233. The next prime is 1405370251. The reversal of 1405370241 is 1420735041.

It is not a de Polignac number, because 1405370241 - 23 = 1405370233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405370201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63571 + ... + 82776.

It is an arithmetic number, because the mean of its divisors is an integer number (93223676).

Almost surely, 21405370241 is an apocalyptic number.

1405370241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1405370241 is a deficient number, since it is larger than the sum of its proper divisors (831997983).

1405370241 is a wasteful number, since it uses less digits than its factorization.

1405370241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146461 (or 146458 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1405370241 is about 37488.2680448164. The cubic root of 1405370241 is about 1120.1175049441.

The spelling of 1405370241 in words is "one billion, four hundred five million, three hundred seventy thousand, two hundred forty-one".

Divisors: 1 3 9 11 33 97 99 291 873 1067 3201 9603 146347 439041 1317123 1609817 4829451 14195659 14488353 42586977 127760931 156152249 468456747 1405370241