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470071524 = 223133119689
BaseRepresentation
bin11100000001001…
…011100011100100
31012202112002220110
4130001023203210
51430314242044
6114351133020
714435353626
oct3401134344
91182462813
10470071524
1122138576a
12111514170
1376506840
1446604c16
152b4056b9
hex1c04b8e4

470071524 has 48 divisors (see below), whose sum is σ = 1185125760. Its totient is φ = 144157440.

The previous prime is 470071517. The next prime is 470071529. The reversal of 470071524 is 425170074.

It is a junction number, because it is equal to n+sod(n) for n = 470071491 and 470071500.

It is not an unprimeable number, because it can be changed into a prime (470071529) 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, 43672 + ... + 53360.

It is an arithmetic number, because the mean of its divisors is an integer number (24690120).

Almost surely, 2470071524 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 470071524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592562880).

470071524 is an abundant number, since it is smaller than the sum of its proper divisors (715054236).

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

470071524 is a wasteful number, since it uses less digits than its factorization.

470071524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020 (or 10018 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 470071524 is about 21681.1329039790. The cubic root of 470071524 is about 777.5374472853.

The spelling of 470071524 in words is "four hundred seventy million, seventy-one thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 311 622 933 1244 1866 3732 4043 8086 9689 12129 16172 19378 24258 29067 38756 48516 58134 116268 125957 251914 377871 503828 755742 1511484 3013279 6026558 9039837 12053116 18079674 36159348 39172627 78345254 117517881 156690508 235035762 470071524