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1670538912 = 25373180191
BaseRepresentation
bin110001110010010…
…0110011010100000
311022102102011120120
41203210212122200
511410124221122
6433433240240
756253226560
oct14344463240
94272364516
101670538912
11787a80679
123a7563080
13208132983
1411bc16da0
159b9d475c
hex639266a0

1670538912 has 96 divisors (see below), whose sum is σ = 5173346304. Its totient is φ = 461894400.

The previous prime is 1670538869. The next prime is 1670538931. The reversal of 1670538912 is 2198350761.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×16705389122 = 5581400513012287488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19264 + ... + 60927.

It is an arithmetic number, because the mean of its divisors is an integer number (53889024).

Almost surely, 21670538912 is an apocalyptic number.

1670538912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1670538912 is an abundant number, since it is smaller than the sum of its proper divisors (3502807392).

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

1670538912 is a wasteful number, since it uses less digits than its factorization.

1670538912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80242 (or 80234 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1670538912 is about 40872.2266582089. The cubic root of 1670538912 is about 1186.5486022055.

The spelling of 1670538912 in words is "one billion, six hundred seventy million, five hundred thirty-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 84 93 96 112 124 168 186 217 224 248 336 372 434 496 651 672 744 868 992 1302 1488 1736 2604 2976 3472 5208 6944 10416 20832 80191 160382 240573 320764 481146 561337 641528 962292 1122674 1283056 1684011 1924584 2245348 2485921 2566112 3368022 3849168 4490696 4971842 6736044 7457763 7698336 8981392 9943684 13472088 14915526 17401447 17962784 19887368 26944176 29831052 34802894 39774736 52204341 53888352 59662104 69605788 79549472 104408682 119324208 139211576 208817364 238648416 278423152 417634728 556846304 835269456 1670538912