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1465421131 = 17471834069
BaseRepresentation
bin101011101011000…
…1000110101001011
310210010110002212201
41113112020311023
511000121434011
6401225021031
751212605546
oct12726106513
93703402781
101465421131
11692212649
1234a924777
131a47a60c5
14dc8a185d
15889b8cc1
hex57588d4b

1465421131 has 8 divisors (see below), whose sum is σ = 1584636480. Its totient is φ = 1349874048.

The previous prime is 1465421107. The next prime is 1465421137. The reversal of 1465421131 is 1311245641.

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 1465421131 - 25 = 1465421099 is a prime.

It is a super-2 number, since 2×14654211312 = 4294918182362638322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1465421131.

It is not an unprimeable number, because it can be changed into a prime (1465421137) 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, 916236 + ... + 917833.

It is an arithmetic number, because the mean of its divisors is an integer number (198079560).

Almost surely, 21465421131 is an apocalyptic number.

1465421131 is a deficient number, since it is larger than the sum of its proper divisors (119215349).

1465421131 is a wasteful number, since it uses less digits than its factorization.

1465421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834133.

The product of its digits is 2880, while the sum is 28.

The square root of 1465421131 is about 38280.8193616594. The cubic root of 1465421131 is about 1135.8495663371.

Adding to 1465421131 its reverse (1311245641), we get a palindrome (2776666772).

The spelling of 1465421131 in words is "one billion, four hundred sixty-five million, four hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 17 47 799 1834069 31179173 86201243 1465421131