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1296707442 = 23228194747
BaseRepresentation
bin100110101001010…
…0010111101110010
310100100222120012120
41031102202331302
510123424114232
6332400535110
744063555112
oct11522427562
93310876176
101296707442
11605a59548
12302321496
13178854414
14c4305042
1578c8e92c
hex4d4a2f72

1296707442 has 16 divisors (see below), whose sum is σ = 2594579232. Its totient is φ = 432041760.

The previous prime is 1296707437. The next prime is 1296707471. The reversal of 1296707442 is 2447076921.

1296707442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1296707394 and 1296707403.

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, 33688 + ... + 61059.

It is an arithmetic number, because the mean of its divisors is an integer number (162161202).

Almost surely, 21296707442 is an apocalyptic number.

1296707442 is an abundant number, since it is smaller than the sum of its proper divisors (1297871790).

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

1296707442 is a wasteful number, since it uses less digits than its factorization.

1296707442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97033.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1296707442 is about 36009.8242428368. The cubic root of 1296707442 is about 1090.4707003895.

The spelling of 1296707442 in words is "one billion, two hundred ninety-six million, seven hundred seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 2281 4562 6843 13686 94747 189494 284241 568482 216117907 432235814 648353721 1296707442