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8140472 = 231017559
BaseRepresentation
bin11111000011011010111000
3120022120121222
4133003122320
54040443342
6450251212
7126123104
oct37033270
916276558
108140472
11466006a
122886b08
1318c0362
14111c904
15aabed2
hex7c36b8

8140472 has 8 divisors (see below), whose sum is σ = 15263400. Its totient is φ = 4070232.

The previous prime is 8140441. The next prime is 8140519. The reversal of 8140472 is 2740418.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508772 + ... + 508787.

It is an arithmetic number, because the mean of its divisors is an integer number (1907925).

Almost surely, 28140472 is an apocalyptic number.

It is an amenable number.

8140472 is a deficient number, since it is larger than the sum of its proper divisors (7122928).

8140472 is a wasteful number, since it uses less digits than its factorization.

8140472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017565 (or 1017561 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 8140472 is about 2853.1512402955. The cubic root of 8140472 is about 201.1638145423.

The spelling of 8140472 in words is "eight million, one hundred forty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 1017559 2035118 4070236 8140472