Search a number
-
+
1379226120 = 233571161881
BaseRepresentation
bin101001000110101…
…0101001000001000
310120010020221112220
41102031111020020
510311040213440
6344505334040
746115141256
oct12215251010
93503227486
101379226120
1164859aaa8
12325a97320
1318c98703c
14d12655d6
158113e8d0
hex52355208

1379226120 has 64 divisors (see below), whose sum is σ = 4195981440. Its totient is φ = 362611200.

The previous prime is 1379226091. The next prime is 1379226137. The reversal of 1379226120 is 216229731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72421 + ... + 89460.

It is an arithmetic number, because the mean of its divisors is an integer number (65562210).

Almost surely, 21379226120 is an apocalyptic number.

1379226120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379226120 is an abundant number, since it is smaller than the sum of its proper divisors (2816755320).

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

1379226120 is a wasteful number, since it uses less digits than its factorization.

1379226120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161966 (or 161962 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1379226120 is about 37137.9337066563. The cubic root of 1379226120 is about 1113.1281293986.

The spelling of 1379226120 in words is "one billion, three hundred seventy-nine million, two hundred twenty-six thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 213 284 355 426 568 710 852 1065 1420 1704 2130 2840 4260 8520 161881 323762 485643 647524 809405 971286 1295048 1618810 1942572 2428215 3237620 3885144 4856430 6475240 9712860 11493551 19425720 22987102 34480653 45974204 57467755 68961306 91948408 114935510 137922612 172403265 229871020 275845224 344806530 459742040 689613060 1379226120