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1029442774 = 2712102107
BaseRepresentation
bin111101010111000…
…000110011010110
32122202002010000011
4331113000303112
54102014132044
6250052310434
734340055613
oct7527006326
92582063004
101029442774
11489103658
1224891241a
13135378649
149aa1350a
156059a134
hex3d5c0cd6

1029442774 has 12 divisors (see below), whose sum is σ = 1566234612. Its totient is φ = 507466820.

The previous prime is 1029442751. The next prime is 1029442831. The reversal of 1029442774 is 4772449201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40972 + ... + 61135.

It is an arithmetic number, because the mean of its divisors is an integer number (130519551).

Almost surely, 21029442774 is an apocalyptic number.

1029442774 is a deficient number, since it is larger than the sum of its proper divisors (536791838).

1029442774 is an equidigital number, since it uses as much as digits as its factorization.

1029442774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102251 (or 102180 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1029442774 is about 32084.9306372945. The cubic root of 1029442774 is about 1009.7194835778.

The spelling of 1029442774 in words is "one billion, twenty-nine million, four hundred forty-two thousand, seven hundred seventy-four".

Divisors: 1 2 71 142 5041 10082 102107 204214 7249597 14499194 514721387 1029442774