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975138794 = 2769652771
BaseRepresentation
bin111010000111110…
…110111111101010
32111221220011221122
4322013312333222
53444113420134
6240432335242
733110354150
oct7207667752
92457804848
10975138794
11460493233
122326a4522
13127044206
14937193d0
155a92002e
hex3a1f6fea

975138794 has 8 divisors (see below), whose sum is σ = 1671666528. Its totient is φ = 417916620.

The previous prime is 975138763. The next prime is 975138799. The reversal of 975138794 is 497831579.

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 (975138799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34826372 + ... + 34826399.

It is an arithmetic number, because the mean of its divisors is an integer number (208958316).

Almost surely, 2975138794 is an apocalyptic number.

975138794 is a deficient number, since it is larger than the sum of its proper divisors (696527734).

975138794 is a wasteful number, since it uses less digits than its factorization.

975138794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69652780.

The product of its digits is 1905120, while the sum is 53.

The square root of 975138794 is about 31227.2123956014. The cubic root of 975138794 is about 991.6432912818.

The spelling of 975138794 in words is "nine hundred seventy-five million, one hundred thirty-eight thousand, seven hundred ninety-four".

Divisors: 1 2 7 14 69652771 139305542 487569397 975138794