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2812295740 = 225457307691
BaseRepresentation
bin1010011110100000…
…0011101000111100
321020222211102111111
42213220003220330
521224421430430
61143021131404
7126456055642
oct24750035074
97228742444
102812295740
111213516461
126659b9b64
1335a843a27
141c9705192
15116d67c2a
hexa7a03a3c

2812295740 has 24 divisors (see below), whose sum is σ = 5918763312. Its totient is φ = 1122453120.

The previous prime is 2812295701. The next prime is 2812295743. The reversal of 2812295740 is 475922182.

It is a junction number, because it is equal to n+sod(n) for n = 2812295693 and 2812295702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812295743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144706 + ... + 162985.

It is an arithmetic number, because the mean of its divisors is an integer number (246615138).

Almost surely, 22812295740 is an apocalyptic number.

2812295740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2812295740 is an abundant number, since it is smaller than the sum of its proper divisors (3106467572).

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

2812295740 is a wasteful number, since it uses less digits than its factorization.

2812295740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308157 (or 308155 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2812295740 is about 53031.0827722761. The cubic root of 2812295740 is about 1411.5198707575.

The spelling of 2812295740 in words is "two billion, eight hundred twelve million, two hundred ninety-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 457 914 1828 2285 4570 9140 307691 615382 1230764 1538455 3076910 6153820 140614787 281229574 562459148 703073935 1406147870 2812295740