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1373382240 = 25352861213
BaseRepresentation
bin101000111011100…
…0010011001100000
310112201021001020220
41101313002121200
510303041212430
6344140203040
746014361566
oct12167023140
93481231226
101373382240
1164526944a
12323b39480
1318b6bc119
14d0583a36
1580888110
hex51dc2660

1373382240 has 48 divisors (see below), whose sum is σ = 4326155568. Its totient is φ = 366235136.

The previous prime is 1373382239. The next prime is 1373382259. The reversal of 1373382240 is 422833731.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×13733822403 (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1430127 + ... + 1431086.

It is an arithmetic number, because the mean of its divisors is an integer number (90128241).

Almost surely, 21373382240 is an apocalyptic number.

1373382240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373382240 is an abundant number, since it is smaller than the sum of its proper divisors (2952773328).

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

1373382240 is a wasteful number, since it uses less digits than its factorization.

1373382240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861231 (or 2861223 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1373382240 is about 37059.1721440185. The cubic root of 1373382240 is about 1111.5537691658.

The spelling of 1373382240 in words is "one billion, three hundred seventy-three million, three hundred eighty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 2861213 5722426 8583639 11444852 14306065 17167278 22889704 28612130 34334556 42918195 45779408 57224260 68669112 85836390 91558816 114448520 137338224 171672780 228897040 274676448 343345560 457794080 686691120 1373382240