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5205402 = 232289189
BaseRepresentation
bin10011110110110110011010
3100210110110200
4103312312122
52313033102
6303323030
762150046
oct23666632
910713420
105205402
112a35994
1218b0476
131103427
14997026
156cc51c
hex4f6d9a

5205402 has 12 divisors (see below), whose sum is σ = 11278410. Its totient is φ = 1735128.

The previous prime is 5205377. The next prime is 5205407. The reversal of 5205402 is 2045025.

5205402 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 5157441 + 47961 = 2271^2 + 219^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 289189 = 5205402 / (5 + 2 + 0 + 5 + 4 + 0 + 2).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5205407) 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, 144577 + ... + 144612.

Almost surely, 25205402 is an apocalyptic number.

5205402 is an abundant number, since it is smaller than the sum of its proper divisors (6073008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5205402 is a wasteful number, since it uses less digits than its factorization.

5205402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289197 (or 289194 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5205402 is about 2281.5350095933. The cubic root of 5205402 is about 173.3077929167.

The spelling of 5205402 in words is "five million, two hundred five thousand, four hundred two".

Divisors: 1 2 3 6 9 18 289189 578378 867567 1735134 2602701 5205402