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1030431400 = 2352107179269
BaseRepresentation
bin111101011010110…
…010001010101000
32122210221100010221
4331122302022220
54102242301100
6250125415424
734351344115
oct7532621250
92583840127
101030431400
114897193a9
1224910a574
1313563362b
149abcd90c
15606e301a
hex3d6b22a8

1030431400 has 96 divisors (see below), whose sum is σ = 2440692000. Its totient is φ = 404529920.

The previous prime is 1030431379. The next prime is 1030431419. The reversal of 1030431400 is 41340301.

1030431400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3830466 + ... + 3830734.

It is an arithmetic number, because the mean of its divisors is an integer number (25423875).

Almost surely, 21030431400 is an apocalyptic number.

1030431400 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 1030431400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220346000).

1030431400 is an abundant number, since it is smaller than the sum of its proper divisors (1410260600).

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

1030431400 is a wasteful number, since it uses less digits than its factorization.

1030431400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030431400 is about 32100.3333316026. Note that the first 5 decimals coincide. The cubic root of 1030431400 is about 1010.0426084041.

Adding to 1030431400 its reverse (41340301), we get a palindrome (1071771701).

The spelling of 1030431400 in words is "one billion, thirty million, four hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 107 179 200 214 269 358 428 535 538 716 856 895 1070 1076 1345 1432 1790 2140 2152 2675 2690 3580 4280 4475 5350 5380 6725 7160 8950 10700 10760 13450 17900 19153 21400 26900 28783 35800 38306 48151 53800 57566 76612 95765 96302 115132 143915 153224 191530 192604 230264 240755 287830 383060 385208 478825 481510 575660 719575 766120 957650 963020 1151320 1203775 1439150 1915300 1926040 2407550 2878300 3830600 4815100 5152157 5756600 9630200 10304314 20608628 25760785 41217256 51521570 103043140 128803925 206086280 257607850 515215700 1030431400