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1344642070 = 25631213097
BaseRepresentation
bin101000000100101…
…1001110000010110
310110201011220011011
41100021121300112
510223212021240
6341232202434
745215161162
oct12011316026
93421156134
101344642070
11630019542
1231639941a
131857686c5
14ca821ca2
157d0ac6ea
hex50259c16

1344642070 has 16 divisors (see below), whose sum is σ = 2424202848. Its totient is φ = 537001920.

The previous prime is 1344642067. The next prime is 1344642071. The reversal of 1344642070 is 702464431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344642071) 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, 100239 + ... + 112858.

It is an arithmetic number, because the mean of its divisors is an integer number (151512678).

Almost surely, 21344642070 is an apocalyptic number.

1344642070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344642070 is a deficient number, since it is larger than the sum of its proper divisors (1079560778).

1344642070 is a wasteful number, since it uses less digits than its factorization.

1344642070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213735.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 1344642070 is about 36669.3614615799. The cubic root of 1344642070 is about 1103.7453789288.

The spelling of 1344642070 in words is "one billion, three hundred forty-four million, six hundred forty-two thousand, seventy".

Divisors: 1 2 5 10 631 1262 3155 6310 213097 426194 1065485 2130970 134464207 268928414 672321035 1344642070