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975038642 = 2797611693
BaseRepresentation
bin111010000111011…
…110100010110010
32111221201002120022
4322013132202302
53444102214032
6240430243442
733106456154
oct7207364262
92457632508
10975038642
11460424a66
12232656582
1312700a756
14936d0ad4
155a900512
hex3a1de8b2

975038642 has 8 divisors (see below), whose sum is σ = 1464395436. Its totient is φ = 486906832.

The previous prime is 975038639. The next prime is 975038653. The reversal of 975038642 is 246830579.

It can be written as a sum of positive squares in 2 ways, for example, as 848498641 + 126540001 = 29129^2 + 11249^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 975038593 and 975038602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304253 + ... + 307440.

Almost surely, 2975038642 is an apocalyptic number.

975038642 is a deficient number, since it is larger than the sum of its proper divisors (489356794).

975038642 is a wasteful number, since it uses less digits than its factorization.

975038642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612492.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 975038642 is about 31225.6087530732. The cubic root of 975038642 is about 991.6093410859.

The spelling of 975038642 in words is "nine hundred seventy-five million, thirty-eight thousand, six hundred forty-two".

Divisors: 1 2 797 1594 611693 1223386 487519321 975038642