Search a number
-
+
1074970273 = 13173477977
BaseRepresentation
bin100000000010010…
…1011111010100001
32202220202010222211
41000010223322201
54200143022043
6254400202121
735432045056
oct10004537241
92686663884
101074970273
1150187a093
12260009341
131419290b0
14a2aa502d
156458ea9d
hex4012bea1

1074970273 has 8 divisors (see below), whose sum is σ = 1164354408. Its totient is φ = 986542464.

The previous prime is 1074970271. The next prime is 1074970279. The reversal of 1074970273 is 3720794701.

It can be written as a sum of positive squares in 4 ways, for example, as 15272464 + 1059697809 = 3908^2 + 32553^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1074970273 - 21 = 1074970271 is a prime.

It is a super-2 number, since 2×10749702732 = 2311122175667389058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074970271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236740 + ... + 241237.

It is an arithmetic number, because the mean of its divisors is an integer number (145544301).

Almost surely, 21074970273 is an apocalyptic number.

1074970273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1074970273 is a deficient number, since it is larger than the sum of its proper divisors (89384135).

1074970273 is a wasteful number, since it uses less digits than its factorization.

1074970273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478163.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 1074970273 is about 32786.7392858759. The cubic root of 1074970273 is about 1024.3903645882.

The spelling of 1074970273 in words is "one billion, seventy-four million, nine hundred seventy thousand, two hundred seventy-three".

Divisors: 1 13 173 2249 477977 6213701 82690021 1074970273