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10842780 = 22351313901
BaseRepresentation
bin101001010111…
…001010011100
3202101212111110
4221113022130
510233432110
61024222020
7161106414
oct51271234
922355443
1010842780
116136383
12376a910
132328360
141623644
15e42a20
hexa5729c

10842780 has 48 divisors (see below), whose sum is σ = 32697504. Its totient is φ = 2668800.

The previous prime is 10842779. The next prime is 10842791. The reversal of 10842780 is 8724801.

10842780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 6171 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (681198).

Almost surely, 210842780 is an apocalyptic number.

10842780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10842780 is an abundant number, since it is smaller than the sum of its proper divisors (21854724).

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

10842780 is a wasteful number, since it uses less digits than its factorization.

10842780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926 (or 13924 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 10842780 is about 3292.8376820001. The cubic root of 10842780 is about 221.3333625667. Note that the first 4 decimals are identical.

The spelling of 10842780 in words is "ten million, eight hundred forty-two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 13901 27802 41703 55604 69505 83406 139010 166812 180713 208515 278020 361426 417030 542139 722852 834060 903565 1084278 1807130 2168556 2710695 3614260 5421390 10842780