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1042629 = 37131379
BaseRepresentation
bin11111110100011000101
31221222012220
43332203011
5231331004
634202553
711601510
oct3764305
91858186
101042629
11652385
12423459
132a6753
141d1d77
15158dd9
hexfe8c5

1042629 has 16 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 589680.

The previous prime is 1042619. The next prime is 1042631. The reversal of 1042629 is 9262401.

It is not a de Polignac number, because 1042629 - 25 = 1042597 is a prime.

1042629 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1042599 and 1042608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042609) 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, 2562 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

21042629 is an apocalyptic number.

It is an amenable number.

1042629 is a deficient number, since it is larger than the sum of its proper divisors (562491).

1042629 is a wasteful number, since it uses less digits than its factorization.

1042629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1042629 is about 1021.0920624508. The cubic root of 1042629 is about 101.4012402153.

The spelling of 1042629 in words is "one million, forty-two thousand, six hundred twenty-nine".

Divisors: 1 3 7 21 131 379 393 917 1137 2653 2751 7959 49649 148947 347543 1042629