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5402789 = 72110261
BaseRepresentation
bin10100100111000010100101
3101011111020022
4110213002211
52340342124
6311444525
763631400
oct24470245
911144208
105402789
113060217
121986745
131172222
14a08d37
1571ac5e
hex5270a5

5402789 has 6 divisors (see below), whose sum is σ = 6284934. Its totient is φ = 4630920.

The previous prime is 5402759. The next prime is 5402819. The reversal of 5402789 is 9872045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5402759) and next prime (5402819).

It can be written as a sum of positive squares in only one way, i.e., 4708900 + 693889 = 2170^2 + 833^2 .

It is not a de Polignac number, because 5402789 - 28 = 5402533 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 (5402759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55082 + ... + 55179.

It is an arithmetic number, because the mean of its divisors is an integer number (1047489).

Almost surely, 25402789 is an apocalyptic number.

It is an amenable number.

5402789 is a deficient number, since it is larger than the sum of its proper divisors (882145).

5402789 is a wasteful number, since it uses less digits than its factorization.

5402789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110275 (or 110268 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 5402789 is about 2324.3900275126. The cubic root of 5402789 is about 175.4712631146.

The spelling of 5402789 in words is "five million, four hundred two thousand, seven hundred eighty-nine".

Divisors: 1 7 49 110261 771827 5402789