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69485432 = 2319676823
BaseRepresentation
bin1000010010001…
…00001101111000
311211202020002112
410021010031320
5120242013212
610521151452
71502421302
oct411041570
9154666075
1069485432
113624a485
121b32b588
131151b553
14932a972
156178422
hex4244378

69485432 has 32 divisors (see below), whose sum is σ = 139209600. Its totient is φ = 32418144.

The previous prime is 69485431. The next prime is 69485453. The reversal of 69485432 is 23458496.

It is a self number, because there is not a number n which added to its sum of digits gives 69485432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69485431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6773 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (4350300).

Almost surely, 269485432 is an apocalyptic number.

It is an amenable number.

69485432 is an abundant number, since it is smaller than the sum of its proper divisors (69724168).

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

69485432 is a wasteful number, since it uses less digits than its factorization.

69485432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915 (or 6911 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 69485432 is about 8335.7922238981. The cubic root of 69485432 is about 411.1161970207.

The spelling of 69485432 in words is "sixty-nine million, four hundred eighty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 19 38 67 76 134 152 268 536 1273 2546 5092 6823 10184 13646 27292 54584 129637 259274 457141 518548 914282 1037096 1828564 3657128 8685679 17371358 34742716 69485432