Search a number
-
+
1340512700 = 225219705533
BaseRepresentation
bin100111111100110…
…1001100110111100
310110102102002201112
41033321221212330
510221132401300
6341003501152
745135112202
oct11771514674
93412362645
101340512700
1162875903a
12314b277b8
13184950ca7
14ca069072
157ca43e35
hex4fe699bc

1340512700 has 36 divisors (see below), whose sum is σ = 3062017560. Its totient is φ = 507983040.

The previous prime is 1340512697. The next prime is 1340512717. The reversal of 1340512700 is 72150431.

It is a super-2 number, since 2×13405127002 = 3593948597722580000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350867 + ... + 354666.

Almost surely, 21340512700 is an apocalyptic number.

1340512700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340512700 is an abundant number, since it is smaller than the sum of its proper divisors (1721504860).

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

1340512700 is a wasteful number, since it uses less digits than its factorization.

1340512700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705566 (or 705559 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1340512700 is about 36613.0127140611. The cubic root of 1340512700 is about 1102.6143600639.

The spelling of 1340512700 in words is "one billion, three hundred forty million, five hundred twelve thousand, seven hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 705533 1411066 2822132 3527665 7055330 13405127 14110660 17638325 26810254 35276650 53620508 67025635 70553300 134051270 268102540 335128175 670256350 1340512700