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1021401341 = 1915347651
BaseRepresentation
bin111100111000010…
…101100011111101
32122011221120020022
4330320111203331
54042434320331
6245204101525
734211524322
oct7470254375
92564846208
101021401341
11484610a44
122460948a5
131337c13bc
149991cb49
155ea0c67b
hex3ce158fd

1021401341 has 4 divisors (see below), whose sum is σ = 1026749184. Its totient is φ = 1016053500.

The previous prime is 1021401313. The next prime is 1021401343. The reversal of 1021401341 is 1431041201.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 1431041201 = 1777805313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1021401341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021401343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2673635 + ... + 2674016.

It is an arithmetic number, because the mean of its divisors is an integer number (256687296).

Almost surely, 21021401341 is an apocalyptic number.

It is an amenable number.

1021401341 is a deficient number, since it is larger than the sum of its proper divisors (5347843).

1021401341 is an equidigital number, since it uses as much as digits as its factorization.

1021401341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347842.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1021401341 is about 31959.3701596261. The cubic root of 1021401341 is about 1007.0834860851.

Adding to 1021401341 its reverse (1431041201), we get a palindrome (2452442542).

The spelling of 1021401341 in words is "one billion, twenty-one million, four hundred one thousand, three hundred forty-one".

Divisors: 1 191 5347651 1021401341