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2764538940 = 223546075649
BaseRepresentation
bin1010010011000111…
…1000010000111100
321010122222010111010
42210301320100330
521130210221230
61134153355220
7125336123202
oct24461702074
97118863433
102764538940
111199568029
12651a08b10
13350992677
141c3233072
15112a829b0
hexa4c7843c

2764538940 has 24 divisors (see below), whose sum is σ = 7740709200. Its totient is φ = 737210368.

The previous prime is 2764538927. The next prime is 2764538951. The reversal of 2764538940 is 498354672.

It is a self number, because there is not a number n which added to its sum of digits gives 2764538940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23037765 + ... + 23037884.

It is an arithmetic number, because the mean of its divisors is an integer number (322529550).

Almost surely, 22764538940 is an apocalyptic number.

2764538940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2764538940 is an abundant number, since it is smaller than the sum of its proper divisors (4976170260).

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

2764538940 is a wasteful number, since it uses less digits than its factorization.

2764538940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46075661 (or 46075659 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2764538940 is about 52578.8830235105. The cubic root of 2764538940 is about 1403.4843379476.

The spelling of 2764538940 in words is "two billion, seven hundred sixty-four million, five hundred thirty-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 46075649 92151298 138226947 184302596 230378245 276453894 460756490 552907788 691134735 921512980 1382269470 2764538940