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1144655356 = 2213174330113
BaseRepresentation
bin100010000111010…
…0000110111111100
32221202212111221211
41010032200313330
54321012432411
6305325534204
740236260425
oct10416406774
92852774854
101144655356
11538145569
1227b414364
131531b7480
14ac04464c
156a757221
hex443a0dfc

1144655356 has 48 divisors (see below), whose sum is σ = 2337328224. Its totient is φ = 485646336.

The previous prime is 1144655341. The next prime is 1144655357. The reversal of 1144655356 is 6535564411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144655357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22956 + ... + 53068.

It is an arithmetic number, because the mean of its divisors is an integer number (48694338).

Almost surely, 21144655356 is an apocalyptic number.

It is an amenable number.

1144655356 is an abundant number, since it is smaller than the sum of its proper divisors (1192672868).

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

1144655356 is a wasteful number, since it uses less digits than its factorization.

1144655356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30190 (or 30188 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 1144655356 is about 33832.7556666613. The cubic root of 1144655356 is about 1046.0639807705.

The spelling of 1144655356 in words is "one billion, one hundred forty-four million, six hundred fifty-five thousand, three hundred fifty-six".

Divisors: 1 2 4 13 17 26 34 43 52 68 86 172 221 442 559 731 884 1118 1462 2236 2924 9503 19006 30113 38012 60226 120452 391469 511921 782938 1023842 1294859 1565876 2047684 2589718 5179436 6654973 13309946 16833167 22012603 26619892 33666334 44025206 67332668 88050412 286163839 572327678 1144655356