Search a number
-
+
1226814740 = 225145942043
BaseRepresentation
bin100100100011111…
…1011010100010100
310011111110122102222
41021013323110110
510003031032430
6321422521512
742254516234
oct11107732424
93144418388
101226814740
1157a561088
122a2a36298
131672226a8
14b8d0dcc4
1572a859e5
hex491fb514

1226814740 has 24 divisors (see below), whose sum is σ = 2578138080. Its totient is φ = 490377888.

The previous prime is 1226814731. The next prime is 1226814761. The reversal of 1226814740 is 474186221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226814740.

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, 8159 + ... + 50201.

It is an arithmetic number, because the mean of its divisors is an integer number (107422420).

Almost surely, 21226814740 is an apocalyptic number.

1226814740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226814740 is an abundant number, since it is smaller than the sum of its proper divisors (1351323340).

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

1226814740 is a wasteful number, since it uses less digits than its factorization.

1226814740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43511 (or 43509 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1226814740 is about 35025.9152628450. The cubic root of 1226814740 is about 1070.5155869651.

The spelling of 1226814740 in words is "one billion, two hundred twenty-six million, eight hundred fourteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1459 2918 5836 7295 14590 29180 42043 84086 168172 210215 420430 840860 61340737 122681474 245362948 306703685 613407370 1226814740