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1047234040 = 23543608857
BaseRepresentation
bin111110011010111…
…000010111111000
32200222120000000221
4332122320113320
54121042442130
6251525505424
734644225316
oct7632702770
92628500027
101047234040
11498155486
12252872274
13138c67618
149d1250b6
1561e1187a
hex3e6b85f8

1047234040 has 32 divisors (see below), whose sum is σ = 2411077680. Its totient is φ = 409151232.

The previous prime is 1047233989. The next prime is 1047234047. The reversal of 1047234040 is 404327401.

It is a junction number, because it is equal to n+sod(n) for n = 1047233996 and 1047234014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047234047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302709 + ... + 306148.

Almost surely, 21047234040 is an apocalyptic number.

1047234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047234040 is an abundant number, since it is smaller than the sum of its proper divisors (1363843640).

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

1047234040 is a wasteful number, since it uses less digits than its factorization.

1047234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608911 (or 608907 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1047234040 is about 32360.9956583539. The cubic root of 1047234040 is about 1015.5030921006.

The spelling of 1047234040 in words is "one billion, forty-seven million, two hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 608857 1217714 2435428 3044285 4870856 6088570 12177140 24354280 26180851 52361702 104723404 130904255 209446808 261808510 523617020 1047234040