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2139410 = 257132351
BaseRepresentation
bin1000001010010100010010
311000200201102
420022110102
51021430120
6113504402
724120230
oct10122422
94020642
102139410
111231409
12872102
1359ba30
143d9950
152c3d75
hex20a512

2139410 has 32 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 676800.

The previous prime is 2139409. The next prime is 2139427. The reversal of 2139410 is 149312.

2139410 = T332 + T333 + ... + T366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (148176).

22139410 is an apocalyptic number.

2139410 is an abundant number, since it is smaller than the sum of its proper divisors (2602222).

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

2139410 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 2139410 = (1231409)11.

2139410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2139410 is about 1462.6722120831. The cubic root of 2139410 is about 128.8540303517.

The spelling of 2139410 in words is "two million, one hundred thirty-nine thousand, four hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 2351 4702 11755 16457 23510 30563 32914 61126 82285 152815 164570 213941 305630 427882 1069705 2139410