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1613214240 = 253511305533
BaseRepresentation
bin110000000100111…
…1011001000100000
311011102112202220120
41200021323020200
511300440323430
6424024440240
754656044341
oct14011731040
94142482816
101613214240
11758687810
12390319080
131c92b1651
141143740c8
159695e610
hex6027b220

1613214240 has 96 divisors (see below), whose sum is σ = 5543608896. Its totient is φ = 391080960.

The previous prime is 1613214203. The next prime is 1613214241. The reversal of 1613214240 is 424123161.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1613214240.

It is not an unprimeable number, because it can be changed into a prime (1613214241) by changing a digit.

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, 147487 + ... + 158046.

It is an arithmetic number, because the mean of its divisors is an integer number (57745926).

Almost surely, 21613214240 is an apocalyptic number.

1613214240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613214240 is an abundant number, since it is smaller than the sum of its proper divisors (3930394656).

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

1613214240 is a wasteful number, since it uses less digits than its factorization.

1613214240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305562 (or 305554 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1613214240 is about 40164.8383539633. The cubic root of 1613214240 is about 1172.8181608326.

It can be divided in two parts, 161321 and 4240, that added together give a palindrome (165561).

The spelling of 1613214240 in words is "one billion, six hundred thirteen million, two hundred fourteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 305533 611066 916599 1222132 1527665 1833198 2444264 3055330 3360863 3666396 4582995 4888528 6110660 6721726 7332792 9165990 9777056 10082589 12221320 13443452 14665584 16804315 18331980 20165178 24442640 26886904 29331168 33608630 36663960 40330356 48885280 50412945 53773808 67217260 73327920 80660712 100825890 107547616 134434520 146655840 161321424 201651780 268869040 322642848 403303560 537738080 806607120 1613214240