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1401377 is a prime number
BaseRepresentation
bin101010110001000100001
32122012022212
411112020201
5324321002
650011505
714624435
oct5261041
92565285
101401377
1187796a
12576b95
133a0b23
142869c5
151ca352
hex156221

1401377 has 2 divisors, whose sum is σ = 1401378. Its totient is φ = 1401376.

The previous prime is 1401371. The next prime is 1401401. The reversal of 1401377 is 7731041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274641 + 126736 = 1129^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401377 - 210 = 1400353 is a prime.

It is a super-2 number, since 2×14013772 = 3927714992258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1401371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700688 + 700689.

It is an arithmetic number, because the mean of its divisors is an integer number (700689).

21401377 is an apocalyptic number.

It is an amenable number.

1401377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401377 is an equidigital number, since it uses as much as digits as its factorization.

1401377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 1401377 is about 1183.7977023124. The cubic root of 1401377 is about 111.9055592059.

The spelling of 1401377 in words is "one million, four hundred one thousand, three hundred seventy-seven".