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1012469388 = 223753227419
BaseRepresentation
bin111100010110010…
…000111010001100
32121120010202220020
4330112100322030
54033143010023
6244244422140
734042563540
oct7426207214
92546122806
101012469388
1147a570267
122430a7950
131319b4a18
1498675a20
155dd45de3
hex3c590e8c

1012469388 has 48 divisors (see below), whose sum is σ = 2750872320. Its totient is φ = 283817664.

The previous prime is 1012469383. The next prime is 1012469389. The reversal of 1012469388 is 8839642101.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1012469383) 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, 109258 + ... + 118161.

It is an arithmetic number, because the mean of its divisors is an integer number (57309840).

Almost surely, 21012469388 is an apocalyptic number.

It is an amenable number.

1012469388 is an abundant number, since it is smaller than the sum of its proper divisors (1738402932).

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

1012469388 is a wasteful number, since it uses less digits than its factorization.

1012469388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227486 (or 227484 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1012469388 is about 31819.3241285858. The cubic root of 1012469388 is about 1004.1393051786.

The spelling of 1012469388 in words is "one billion, twelve million, four hundred sixty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 53 84 106 159 212 318 371 636 742 1113 1484 2226 4452 227419 454838 682257 909676 1364514 1591933 2729028 3183866 4775799 6367732 9551598 12053207 19103196 24106414 36159621 48212828 72319242 84372449 144638484 168744898 253117347 337489796 506234694 1012469388