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974739442 = 22412022281
BaseRepresentation
bin111010000110010…
…101011111110010
32111221010220010211
4322012111133302
53444013130232
6240420014334
733104101645
oct7206253762
92457126124
10974739442
11460240196
122325313aa
13126c34501
1493653a5c
155a891a47
hex3a1957f2

974739442 has 8 divisors (see below), whose sum is σ = 1468176732. Its totient is φ = 485347200.

The previous prime is 974739431. The next prime is 974739449. The reversal of 974739442 is 244937479.

It can be written as a sum of positive squares in 2 ways, for example, as 915002001 + 59737441 = 30249^2 + 7729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (974739449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010659 + ... + 1011622.

Almost surely, 2974739442 is an apocalyptic number.

974739442 is a deficient number, since it is larger than the sum of its proper divisors (493437290).

974739442 is a wasteful number, since it uses less digits than its factorization.

974739442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022524.

The product of its digits is 1524096, while the sum is 49.

The square root of 974739442 is about 31220.8174460567. The cubic root of 974739442 is about 991.5079024165.

The spelling of 974739442 in words is "nine hundred seventy-four million, seven hundred thirty-nine thousand, four hundred forty-two".

Divisors: 1 2 241 482 2022281 4044562 487369721 974739442