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1024138430 = 25719517499
BaseRepresentation
bin111101000010110…
…001110010111110
32122101002121210222
4331002301302332
54044134412210
6245342501342
734244014220
oct7502616276
92571077728
101024138430
114861103a7
12246b94852
1313423c193
149a032410
155ed9d655
hex3d0b1cbe

1024138430 has 32 divisors (see below), whose sum is σ = 2108160000. Its totient is φ = 350906400.

The previous prime is 1024138403. The next prime is 1024138433. The reversal of 1024138430 is 348314201.

It is a self number, because there is not a number n which added to its sum of digits gives 1024138430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024138433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132821 + ... + 140319.

It is an arithmetic number, because the mean of its divisors is an integer number (65880000).

Almost surely, 21024138430 is an apocalyptic number.

1024138430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1024138430 is an abundant number, since it is smaller than the sum of its proper divisors (1084021570).

1024138430 is a wasteful number, since it uses less digits than its factorization.

1024138430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1024138430 is about 32002.1628956544. The cubic root of 1024138430 is about 1007.9822573670.

The spelling of 1024138430 in words is "one billion, twenty-four million, one hundred thirty-eight thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1951 3902 7499 9755 13657 14998 19510 27314 37495 52493 68285 74990 104986 136570 262465 524930 14630549 29261098 73152745 102413843 146305490 204827686 512069215 1024138430