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475540 = 225133159
BaseRepresentation
bin1110100000110010100
3220011022121
41310012110
5110204130
614105324
74020262
oct1640624
9804277
10475540
112a530a
121ab244
131385b0
14c5432
1595d7a
hex74194

475540 has 48 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 167040.

The previous prime is 475529. The next prime is 475549. The reversal of 475540 is 45574.

475540 = T51 + T52 + ... + T143.

475540 = 1712 + 1722 + ... + 1852.

It is a super-2 number, since 2×4755402 = 452276583200, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475549) 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, 8031 + ... + 8089.

It is an arithmetic number, because the mean of its divisors is an integer number (23520).

2475540 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 475540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564480).

475540 is an abundant number, since it is smaller than the sum of its proper divisors (653420).

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

475540 is a wasteful number, since it uses less digits than its factorization.

475540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 475540 is about 689.5940835013. The cubic root of 475540 is about 78.0540935312.

The spelling of 475540 in words is "four hundred seventy-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 31 52 59 62 65 118 124 130 155 236 260 295 310 403 590 620 767 806 1180 1534 1612 1829 2015 3068 3658 3835 4030 7316 7670 8060 9145 15340 18290 23777 36580 47554 95108 118885 237770 475540