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5342540 = 2257311231
BaseRepresentation
bin10100011000010101001100
3101001102120212
4110120111030
52331430130
6310301552
763260630
oct24302514
911042525
105342540
113019a25
1219578b8
131150988
149d0dc0
15707e95
hex51854c

5342540 has 48 divisors (see below), whose sum is σ = 13246464. Its totient is φ = 1771200.

The previous prime is 5342521. The next prime is 5342543. The reversal of 5342540 is 452435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5342543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3725 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (275968).

Almost surely, 25342540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5342540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6623232).

5342540 is an abundant number, since it is smaller than the sum of its proper divisors (7903924).

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

5342540 is a wasteful number, since it uses less digits than its factorization.

5342540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 5342540 is about 2311.3935190703. The cubic root of 5342540 is about 174.8165697052.

Adding to 5342540 its reverse (452435), we get a palindrome (5794975).

The spelling of 5342540 in words is "five million, three hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 1231 2170 2462 4340 4924 6155 8617 12310 17234 24620 34468 38161 43085 76322 86170 152644 172340 190805 267127 381610 534254 763220 1068508 1335635 2671270 5342540