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5207240 = 23529672
BaseRepresentation
bin10011110111010011001000
3100210112222202
4103313103020
52313112430
6303335332
762155313
oct23672310
910715882
105207240
112a37305
1218b1548
13110420c
1499797a
156ccd45
hex4f74c8

5207240 has 48 divisors (see below), whose sum is σ = 12303900. Its totient is φ = 1981056.

The previous prime is 5207239. The next prime is 5207243. The reversal of 5207240 is 427025.

It can be written as a sum of positive squares in 2 ways, for example, as 5189284 + 17956 = 2278^2 + 134^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (5207243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77687 + ... + 77753.

Almost surely, 25207240 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 5207240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6151950).

5207240 is an abundant number, since it is smaller than the sum of its proper divisors (7096660).

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

5207240 is a wasteful number, since it uses less digits than its factorization.

5207240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 5207240 is about 2281.9377730341. The cubic root of 5207240 is about 173.3281885389.

The spelling of 5207240 in words is "five million, two hundred seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 67 116 134 145 232 268 290 335 536 580 670 1160 1340 1943 2680 3886 4489 7772 8978 9715 15544 17956 19430 22445 35912 38860 44890 77720 89780 130181 179560 260362 520724 650905 1041448 1301810 2603620 5207240