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1376929554 = 2371113713229
BaseRepresentation
bin101001000010010…
…0100011100010010
310112221221021020220
41102010210130102
510304443221204
6344344213510
746056464610
oct12204443422
93487837226
101376929554
11647271610
1232516a296
1318c361920
14d0c286b0
1580d391d9
hex52124712

1376929554 has 128 divisors (see below), whose sum is σ = 3750727680. Its totient is φ = 325382400.

The previous prime is 1376929549. The next prime is 1376929613. The reversal of 1376929554 is 4559296731.

It is a junction number, because it is equal to n+sod(n) for n = 1376929497 and 1376929506.

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 63 ways as a sum of consecutive naturals, for example, 424812 + ... + 428040.

It is an arithmetic number, because the mean of its divisors is an integer number (29302560).

Almost surely, 21376929554 is an apocalyptic number.

1376929554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376929554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1875363840).

1376929554 is an abundant number, since it is smaller than the sum of its proper divisors (2373798126).

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

1376929554 is a wasteful number, since it uses less digits than its factorization.

1376929554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336.

The product of its digits is 2041200, while the sum is 51.

The square root of 1376929554 is about 37107.0014148274. The cubic root of 1376929554 is about 1112.5099584851.

It can be divided in two parts, 1376 and 929554, that added together give a triangular number (930930 = T1364).

The spelling of 1376929554 in words is "one billion, three hundred seventy-six million, nine hundred twenty-nine thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 71 77 78 91 142 143 154 182 213 231 273 286 426 429 462 497 546 781 858 923 994 1001 1491 1562 1846 2002 2343 2769 2982 3003 3229 4686 5467 5538 6006 6458 6461 9687 10153 10934 12922 16401 19374 19383 20306 22603 30459 32802 35519 38766 41977 45206 60918 67809 71038 71071 83954 106557 125931 135618 142142 213114 213213 229259 248633 251862 293839 426426 458518 461747 497266 587678 687777 745899 881517 923494 1375554 1385241 1491798 1604813 1763034 2521849 2770482 2980367 3209626 3232229 4814439 5043698 5960734 6464458 7565547 8941101 9628878 9696687 15131094 17652943 17882202 19393374 20862569 32784037 35305886 41725138 52958829 62587707 65568074 98352111 105917658 125175414 196704222 229488259 458976518 688464777 1376929554