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1034031440 = 245138091229
BaseRepresentation
bin111101101000100…
…001000101010000
32200001201020110202
4331220201011100
54104203001230
6250334514332
734424056631
oct7550410520
92601636422
101034031440
11490758142
1224a3659a8
131362c4130
149b489888
1560ba4a45
hex3da21150

1034031440 has 80 divisors (see below), whose sum is σ = 2594365200. Its totient is φ = 381014016.

The previous prime is 1034031437. The next prime is 1034031451. The reversal of 1034031440 is 441304301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 81938704 + 952092736 = 9052^2 + 30856^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840746 + ... + 841974.

It is an arithmetic number, because the mean of its divisors is an integer number (32429565).

Almost surely, 21034031440 is an apocalyptic number.

1034031440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1034031440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297182600).

1034031440 is an abundant number, since it is smaller than the sum of its proper divisors (1560333760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1034031440 is a wasteful number, since it uses less digits than its factorization.

1034031440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1034031440 is about 32156.3592466560. The cubic root of 1034031440 is about 1011.2175102870.

Adding to 1034031440 its reverse (441304301), we get a palindrome (1475335741).

The spelling of 1034031440 in words is "one billion, thirty-four million, thirty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 809 1040 1229 1618 2458 3236 4045 4916 6145 6472 8090 9832 10517 12290 12944 15977 16180 19664 21034 24580 31954 32360 42068 49160 52585 63908 64720 79885 84136 98320 105170 127816 159770 168272 210340 255632 319540 420680 639080 841360 994261 1278160 1988522 3977044 4971305 7954088 9942610 12925393 15908176 19885220 25850786 39770440 51701572 64626965 79540880 103403144 129253930 206806288 258507860 517015720 1034031440