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1078770140 = 225716094789
BaseRepresentation
bin100000001001100…
…1011100111011100
32210011220012102122
41000103023213130
54202131121030
6255013442112
735506252310
oct10023134734
92704805378
101078770140
11503a34a78
12261340338
13142659836
14a33b3b40
1564a908e5
hex404cb9dc

1078770140 has 48 divisors (see below), whose sum is σ = 2591198400. Its totient is φ = 369556992.

The previous prime is 1078770097. The next prime is 1078770151. The reversal of 1078770140 is 410778701.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1078770140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222866 + ... + 227654.

It is an arithmetic number, because the mean of its divisors is an integer number (53983300).

Almost surely, 21078770140 is an apocalyptic number.

1078770140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078770140 is an abundant number, since it is smaller than the sum of its proper divisors (1512428260).

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

1078770140 is a wasteful number, since it uses less digits than its factorization.

1078770140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 1078770140 is about 32844.6363962215. The cubic root of 1078770140 is about 1025.5959698939.

The spelling of 1078770140 in words is "one billion, seventy-eight million, seven hundred seventy thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1609 3218 4789 6436 8045 9578 11263 16090 19156 22526 23945 32180 33523 45052 47890 56315 67046 95780 112630 134092 167615 225260 335230 670460 7705501 15411002 30822004 38527505 53938507 77055010 107877014 154110020 215754028 269692535 539385070 1078770140