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475025520 = 24355933547
BaseRepresentation
bin11100010100000…
…101000001110000
31020002211210111210
4130110011001300
51433101304040
6115045240120
714525436024
oct3424050160
91202753453
10475025520
11224159782
12113103040
137754c6b8
1447134384
152ba83480
hex1c505070

475025520 has 80 divisors (see below), whose sum is σ = 1497582720. Its totient is φ = 124522752.

The previous prime is 475025491. The next prime is 475025531. The reversal of 475025520 is 25520574.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2614 + ... + 30933.

It is an arithmetic number, because the mean of its divisors is an integer number (18719784).

Almost surely, 2475025520 is an apocalyptic number.

475025520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475025520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748791360).

475025520 is an abundant number, since it is smaller than the sum of its proper divisors (1022557200).

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

475025520 is a wasteful number, since it uses less digits than its factorization.

475025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33622 (or 33616 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 475025520 is about 21795.0801787926. The cubic root of 475025520 is about 780.2593483402.

The spelling of 475025520 in words is "four hundred seventy-five million, twenty-five thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 59 60 80 118 120 177 236 240 295 354 472 590 708 885 944 1180 1416 1770 2360 2832 3540 4720 7080 14160 33547 67094 100641 134188 167735 201282 268376 335470 402564 503205 536752 670940 805128 1006410 1341880 1610256 1979273 2012820 2683760 3958546 4025640 5937819 7917092 8051280 9896365 11875638 15834184 19792730 23751276 29689095 31668368 39585460 47502552 59378190 79170920 95005104 118756380 158341840 237512760 475025520