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1341311240 = 23523263389
BaseRepresentation
bin100111111110010…
…1100100100001000
310110110220200010002
41033330230210020
510221333424430
6341032542132
745144646253
oct11774544410
93413820102
101341311240
11629153a95
12315251948
13184b705b9
14ca1d609a
157cb50845
hex4ff2c908

1341311240 has 48 divisors (see below), whose sum is σ = 3154920300. Its totient is φ = 513189248.

The previous prime is 1341311177. The next prime is 1341311267. The reversal of 1341311240 is 421131431.

It can be written as a sum of positive squares in 2 ways, for example, as 1330644484 + 10666756 = 36478^2 + 3266^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10535 + ... + 52854.

Almost surely, 21341311240 is an apocalyptic number.

1341311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341311240 is an abundant number, since it is smaller than the sum of its proper divisors (1813609060).

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

1341311240 is a wasteful number, since it uses less digits than its factorization.

1341311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63446 (or 63419 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1341311240 is about 36623.9162296989. The cubic root of 1341311240 is about 1102.8332581257.

Adding to 1341311240 its reverse (421131431), we get a palindrome (1762442671).

The spelling of 1341311240 in words is "one billion, three hundred forty-one million, three hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 529 920 1058 2116 2645 4232 5290 10580 21160 63389 126778 253556 316945 507112 633890 1267780 1457947 2535560 2915894 5831788 7289735 11663576 14579470 29158940 33532781 58317880 67065562 134131124 167663905 268262248 335327810 670655620 1341311240