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40528460 = 2257289489
BaseRepresentation
bin1001101010011…
…0101001001100
32211021001121002
42122212221030
540333402320
64004355432
71001325530
oct232465114
984231532
1040528460
11209716a5
12116a5b78
13852024b
14554dbc0
153858675
hex26a6a4c

40528460 has 24 divisors (see below), whose sum is σ = 97268640. Its totient is φ = 13895424.

The previous prime is 40528441. The next prime is 40528471. The reversal of 40528460 is 6482504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144605 + ... + 144884.

It is an arithmetic number, because the mean of its divisors is an integer number (4052860).

Almost surely, 240528460 is an apocalyptic number.

It is an amenable number.

40528460 is an abundant number, since it is smaller than the sum of its proper divisors (56740180).

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

40528460 is a wasteful number, since it uses less digits than its factorization.

40528460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289505 (or 289503 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40528460 is about 6366.1966667705. The cubic root of 40528460 is about 343.4946948380.

The spelling of 40528460 in words is "forty million, five hundred twenty-eight thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 289489 578978 1157956 1447445 2026423 2894890 4052846 5789780 8105692 10132115 20264230 40528460