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1072423 = 1128863
BaseRepresentation
bin100000101110100100111
32000111002101
410011310213
5233304143
634552531
712054412
oct4056447
92014071
101072423
11672800
12438747
132b7191
141dcb79
15162b4d
hex105d27

1072423 has 6 divisors (see below), whose sum is σ = 1178912. Its totient is φ = 974820.

The previous prime is 1072397. The next prime is 1072429. The reversal of 1072423 is 3242701.

It is not a de Polignac number, because 1072423 - 29 = 1071911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4311 + ... + 4552.

21072423 is an apocalyptic number.

1072423 is a deficient number, since it is larger than the sum of its proper divisors (106489).

1072423 is an equidigital number, since it uses as much as digits as its factorization.

1072423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885 (or 8874 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1072423 is about 1035.5785822428. The cubic root of 1072423 is about 102.3580585379.

The spelling of 1072423 in words is "one million, seventy-two thousand, four hundred twenty-three".

Divisors: 1 11 121 8863 97493 1072423