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2936421 = 32509641
BaseRepresentation
bin1011001100111001100101
312112012000100
423030321211
51222431141
6142534313
733646665
oct13147145
95465010
102936421
1117261a4
12b97399
137ba737
145661a5
153d00b6
hex2cce65

2936421 has 12 divisors (see below), whose sum is σ = 4256460. Its totient is φ = 1950720.

The previous prime is 2936411. The next prime is 2936429. The reversal of 2936421 is 1246392.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 408321 = 1590^2 + 639^2 .

It is not a de Polignac number, because 2936421 - 25 = 2936389 is a prime.

It is a d-powerful number, because it can be written as 213 + 96 + 39 + 67 + 42 + 221 + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2936429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4261 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (354705).

22936421 is an apocalyptic number.

It is an amenable number.

2936421 is a deficient number, since it is larger than the sum of its proper divisors (1320039).

2936421 is a wasteful number, since it uses less digits than its factorization.

2936421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1153 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2936421 is about 1713.5988445374. The cubic root of 2936421 is about 143.1988203819.

The spelling of 2936421 in words is "two million, nine hundred thirty-six thousand, four hundred twenty-one".

Divisors: 1 3 9 509 641 1527 1923 4581 5769 326269 978807 2936421