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1405134030 = 23546837801
BaseRepresentation
bin101001111000000…
…1010010011001110
310121221000012112010
41103300022103032
510334203242110
6351232522050
746551304446
oct12360122316
93557005463
101405134030
11661185aa3
123326b0326
13195158571
14d488b126
158355b020
hex53c0a4ce

1405134030 has 16 divisors (see below), whose sum is σ = 3372321744. Its totient is φ = 374702400.

The previous prime is 1405134023. The next prime is 1405134041. The reversal of 1405134030 is 304315041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1405133988 and 1405134006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23418871 + ... + 23418930.

It is an arithmetic number, because the mean of its divisors is an integer number (210770109).

Almost surely, 21405134030 is an apocalyptic number.

1405134030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1405134030 is an abundant number, since it is smaller than the sum of its proper divisors (1967187714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1405134030 is a wasteful number, since it uses less digits than its factorization.

1405134030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46837811.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1405134030 is about 37485.1174467948. The cubic root of 1405134030 is about 1120.0547459422.

Adding to 1405134030 its reverse (304315041), we get a palindrome (1709449071).

The spelling of 1405134030 in words is "one billion, four hundred five million, one hundred thirty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 46837801 93675602 140513403 234189005 281026806 468378010 702567015 1405134030