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2955940 = 2251311369
BaseRepresentation
bin1011010001101010100100
312120011210021
423101222210
51224042230
6143204524
734060621
oct13215244
95504707
102955940
111739929
12ba6744
137c65a0
1456d348
153d5c7a
hex2d1aa4

2955940 has 24 divisors (see below), whose sum is σ = 6685560. Its totient is φ = 1091328.

The previous prime is 2955929. The next prime is 2955947. The reversal of 2955940 is 495592.

It can be written as a sum of positive squares in 4 ways, for example, as 79524 + 2876416 = 282^2 + 1696^2 .

It is a super-3 number, since 3×29559403 = 77483298058333752000, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2955896 and 2955905.

It is not an unprimeable number, because it can be changed into a prime (2955947) 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, 5425 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (278565).

22955940 is an apocalyptic number.

2955940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2955940 is an abundant number, since it is smaller than the sum of its proper divisors (3729620).

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

2955940 is a wasteful number, since it uses less digits than its factorization.

2955940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391 (or 11389 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 2955940 is about 1719.2847349988. The cubic root of 2955940 is about 143.5154106967.

The spelling of 2955940 in words is "two million, nine hundred fifty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 11369 22738 45476 56845 113690 147797 227380 295594 591188 738985 1477970 2955940