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1031742430 = 254315492
BaseRepresentation
bin111101011111110…
…010001111011110
32122220101221112121
4331133302033132
54103111224210
6250213453154
734365444265
oct7537621736
92586357477
101031742430
1148a4343a4
122496411ba
131359a22a4
149b0515dc
15608a16da
hex3d7f23de

1031742430 has 24 divisors (see below), whose sum is σ = 1901553192. Its totient is φ = 402839136.

The previous prime is 1031742401. The next prime is 1031742469. The reversal of 1031742430 is 342471301.

It is a junction number, because it is equal to n+sod(n) for n = 1031742395 and 1031742404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665296 + ... + 666844.

It is an arithmetic number, because the mean of its divisors is an integer number (79231383).

Almost surely, 21031742430 is an apocalyptic number.

1031742430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031742430 is a deficient number, since it is larger than the sum of its proper divisors (869810762).

1031742430 is an frugal number, since it uses more digits than its factorization.

1031742430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1031742430 is about 32120.7476563046. The cubic root of 1031742430 is about 1010.4707898954.

The spelling of 1031742430 in words is "one billion, thirty-one million, seven hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 1549 3098 7745 15490 66607 133214 333035 666070 2399401 4798802 11997005 23994010 103174243 206348486 515871215 1031742430