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1434787240 = 23535869681
BaseRepresentation
bin101010110000101…
…0001110110101000
310200222210202002011
41111201101312220
510414301142430
6354212245304
750361330115
oct12541216650
93628722064
101434787240
11676999987
12340610834
1319b33b743
14d87a990c
1585e6722a
hex55851da8

1434787240 has 16 divisors (see below), whose sum is σ = 3228271380. Its totient is φ = 573914880.

The previous prime is 1434787157. The next prime is 1434787247. The reversal of 1434787240 is 427874341.

It can be written as a sum of positive squares in 2 ways, for example, as 1365598116 + 69189124 = 36954^2 + 8318^2 .

It is a super-2 number, since 2×14347872402 = 4117228848133635200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 35869681 = 1434787240 / (1 + 4 + 3 + 4 + 7 + 8 + 7 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1434787193 and 1434787202.

It is not an unprimeable number, because it can be changed into a prime (1434787247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17934801 + ... + 17934880.

Almost surely, 21434787240 is an apocalyptic number.

1434787240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434787240 is an abundant number, since it is smaller than the sum of its proper divisors (1793484140).

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

1434787240 is a wasteful number, since it uses less digits than its factorization.

1434787240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35869692 (or 35869688 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 1434787240 is about 37878.5855068533. The cubic root of 1434787240 is about 1127.8789774256.

The spelling of 1434787240 in words is "one billion, four hundred thirty-four million, seven hundred eighty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 35869681 71739362 143478724 179348405 286957448 358696810 717393620 1434787240