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1344130040 = 235113054841
BaseRepresentation
bin101000000011101…
…1100101111111000
310110200012212210002
41100013130233320
510223044130130
6341213212132
745210626321
oct12007345770
93420185702
101344130040
1162a7a9880
12316191048
13185619626
14ca72b448
157d00ab45
hex501dcbf8

1344130040 has 32 divisors (see below), whose sum is σ = 3299229360. Its totient is φ = 488774400.

The previous prime is 1344130031. The next prime is 1344130063. The reversal of 1344130040 is 400314431.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1344129994 and 1344130021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526981 + ... + 1527860.

Almost surely, 21344130040 is an apocalyptic number.

1344130040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344130040 is an abundant number, since it is smaller than the sum of its proper divisors (1955099320).

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

1344130040 is a wasteful number, since it uses less digits than its factorization.

1344130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054863 (or 3054859 counting only the distinct ones).

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

The square root of 1344130040 is about 36662.3790826509. The cubic root of 1344130040 is about 1103.6052617161.

Adding to 1344130040 its reverse (400314431), we get a palindrome (1744444471).

The spelling of 1344130040 in words is "one billion, three hundred forty-four million, one hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 3054841 6109682 12219364 15274205 24438728 30548410 33603251 61096820 67206502 122193640 134413004 168016255 268826008 336032510 672065020 1344130040