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10742868 = 223471467
BaseRepresentation
bin101000111110…
…110001010100
3202012210110000
4220332301110
510222232433
61022131300
7160212213
oct50766124
922183400
1010742868
116078304
123720b30
1322c1a36
1415d907a
15e23113
hexa3ec54

10742868 has 60 divisors (see below), whose sum is σ = 28540512. Its totient is φ = 3522960.

The previous prime is 10742807. The next prime is 10742869. The reversal of 10742868 is 86824701.

10742868 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10742869) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22771 + ... + 23237.

It is a vampire number, since it can be written as 12788406 (with its own digits).

Almost surely, 210742868 is an apocalyptic number.

10742868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10742868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14270256).

10742868 is an abundant number, since it is smaller than the sum of its proper divisors (17797644).

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

10742868 is a wasteful number, since it uses less digits than its factorization.

10742868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 10742868 is about 3277.6314618944. The cubic root of 10742868 is about 220.6514300635.

The spelling of 10742868 in words is "ten million, seven hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 71 81 108 142 162 213 284 324 426 467 639 852 934 1278 1401 1868 1917 2556 2802 3834 4203 5604 5751 7668 8406 11502 12609 16812 23004 25218 33157 37827 50436 66314 75654 99471 132628 151308 198942 298413 397884 596826 895239 1193652 1790478 2685717 3580956 5371434 10742868