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8531042 = 2131719301
BaseRepresentation
bin100000100010…
…110001100010
3121001102101112
4200202301202
54140443132
6502503322
7132340562
oct40426142
917042345
108531042
1148a7553
122a34b42
1319c9070
1411c0da2
15b37ab2
hex822c62

8531042 has 16 divisors (see below), whose sum is σ = 14592312. Its totient is φ = 3705600.

The previous prime is 8531023. The next prime is 8531051. The reversal of 8531042 is 2401358.

It can be written as a sum of positive squares in 4 ways, for example, as 7187761 + 1343281 = 2681^2 + 1159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8530999 and 8531017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9209 + ... + 10092.

Almost surely, 28531042 is an apocalyptic number.

8531042 is a deficient number, since it is larger than the sum of its proper divisors (6061270).

8531042 is a wasteful number, since it uses less digits than its factorization.

8531042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8531042 is about 2920.7947548570. The cubic root of 8531042 is about 204.3308900182.

The spelling of 8531042 in words is "eight million, five hundred thirty-one thousand, forty-two".

Divisors: 1 2 13 17 26 34 221 442 19301 38602 250913 328117 501826 656234 4265521 8531042