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61011469 is a prime number
BaseRepresentation
bin1110100010111…
…1011000001101
311020210201000001
43220233120031
5111104331334
610015404301
71340406001
oct350573015
9136721001
1061011469
1131491902
1218523691
13c84247c
148162701
155552714
hex3a2f60d

61011469 has 2 divisors, whose sum is σ = 61011470. Its totient is φ = 61011468.

The previous prime is 61011437. The next prime is 61011481. The reversal of 61011469 is 96411016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 11492100 = 7037^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 61011469 - 25 = 61011437 is a prime.

It is a super-2 number, since 2×610114692 = 7444798699075922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61011569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505734 + 30505735.

It is an arithmetic number, because the mean of its divisors is an integer number (30505735).

Almost surely, 261011469 is an apocalyptic number.

It is an amenable number.

61011469 is a deficient number, since it is larger than the sum of its proper divisors (1).

61011469 is an equidigital number, since it uses as much as digits as its factorization.

61011469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 61011469 is about 7810.9838688862. The cubic root of 61011469 is about 393.6743876310.

The spelling of 61011469 in words is "sixty-one million, eleven thousand, four hundred sixty-nine".