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1072430 = 25107243
BaseRepresentation
bin100000101110100101110
32000111002122
410011310232
5233304210
634552542
712054422
oct4056456
92014078
101072430
11672807
12438752
132b7198
141dcb82
15162b55
hex105d2e

1072430 has 8 divisors (see below), whose sum is σ = 1930392. Its totient is φ = 428968.

The previous prime is 1072429. The next prime is 1072433. The reversal of 1072430 is 342701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10724302 = 2300212209800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1072399 and 1072408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53612 + ... + 53631.

It is an arithmetic number, because the mean of its divisors is an integer number (241299).

21072430 is an apocalyptic number.

1072430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072430 is a deficient number, since it is larger than the sum of its proper divisors (857962).

1072430 is a wasteful number, since it uses less digits than its factorization.

1072430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107250.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1072430 is about 1035.5819619905. The cubic root of 1072430 is about 102.3582812438.

The spelling of 1072430 in words is "one million, seventy-two thousand, four hundred thirty".

Divisors: 1 2 5 10 107243 214486 536215 1072430