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977069 is a prime number
BaseRepresentation
bin11101110100010101101
31211122021202
43232202231
5222231234
632535245
711206412
oct3564255
91748252
10977069
116080a5
123b1525
13282962
141b6109
1514477e

977069 has 2 divisors, whose sum is σ = 977070. Its totient is φ = 977068.

The previous prime is 977057. The next prime is 977087. The reversal of 977069 is 960779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 407044 = 755^2 + 638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-977069 is a prime.

It is a super-2 number, since 2×9770692 = 1909327661522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488534 + 488535.

It is an arithmetic number, because the mean of its divisors is an integer number (488535).

2977069 is an apocalyptic number.

It is an amenable number.

977069 is a deficient number, since it is larger than the sum of its proper divisors (1).

977069 is an equidigital number, since it uses as much as digits as its factorization.

977069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 977069 is about 988.4680065637. The cubic root of 977069 is about 99.2297151810.

Subtracting from 977069 its reverse (960779), we obtain a triangular number (16290 = T180).

The spelling of 977069 in words is "nine hundred seventy-seven thousand, sixty-nine".