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980451137 = 1019707437
BaseRepresentation
bin111010011100000…
…111111101000001
32112022220002010002
4322130013331001
54001443414022
6241142245345
733203461061
oct7234077501
92468802102
10980451137
114634914a6
12234426855
13128184203
14942dd3a1
155b11e092
hex3a707f41

980451137 has 4 divisors (see below), whose sum is σ = 990158676. Its totient is φ = 970743600.

The previous prime is 980451083. The next prime is 980451179. The reversal of 980451137 is 731154089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 926045761 + 54405376 = 30431^2 + 7376^2 .

It is a cyclic number.

It is not a de Polignac number, because 980451137 - 226 = 913342273 is a prime.

It is a super-2 number, since 2×9804511372 = 1922568864089185538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980451137.

It is not an unprimeable number, because it can be changed into a prime (980450137) 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, 4853618 + ... + 4853819.

It is an arithmetic number, because the mean of its divisors is an integer number (247539669).

Almost surely, 2980451137 is an apocalyptic number.

It is an amenable number.

980451137 is a deficient number, since it is larger than the sum of its proper divisors (9707539).

980451137 is a wasteful number, since it uses less digits than its factorization.

980451137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707538.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 980451137 is about 31312.1563773561. The cubic root of 980451137 is about 993.4407830731.

The spelling of 980451137 in words is "nine hundred eighty million, four hundred fifty-one thousand, one hundred thirty-seven".

Divisors: 1 101 9707437 980451137