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1464331357 = 2062770991
BaseRepresentation
bin101011101000111…
…1110110001011101
310210001101201222201
41113101332301131
510444332100412
6401145411501
751200416426
oct12721766135
93701351881
101464331357
11691638905
1234a499b91
131a44b4078
14dc69a64d
1588850e57
hex5747ec5d

1464331357 has 4 divisors (see below), whose sum is σ = 1464422976. Its totient is φ = 1464239740.

The previous prime is 1464331343. The next prime is 1464331361. The reversal of 1464331357 is 7531334641.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1464331357 - 219 = 1463807069 is a prime.

It is a super-2 number, since 2×14643313572 = 4288532646186922898, 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 (1464331157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14869 + ... + 56122.

It is an arithmetic number, because the mean of its divisors is an integer number (366105744).

Almost surely, 21464331357 is an apocalyptic number.

It is an amenable number.

1464331357 is a deficient number, since it is larger than the sum of its proper divisors (91619).

1464331357 is an equidigital number, since it uses as much as digits as its factorization.

1464331357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91618.

The product of its digits is 90720, while the sum is 37.

The square root of 1464331357 is about 38266.5827713947. The cubic root of 1464331357 is about 1135.5679348287.

Adding to 1464331357 its reverse (7531334641), we get a palindrome (8995665998).

The spelling of 1464331357 in words is "one billion, four hundred sixty-four million, three hundred thirty-one thousand, three hundred fifty-seven".

Divisors: 1 20627 70991 1464331357