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1372920558 = 23228820093
BaseRepresentation
bin101000111010101…
…0001101011101110
310112200101120221120
41101311101223232
510302431424213
6344122241410
746010426562
oct12165215356
93480346846
101372920558
11644a83599
12323956266
1318b589c39
14d04a36a2
15807e6423
hex51d51aee

1372920558 has 8 divisors (see below), whose sum is σ = 2745841128. Its totient is φ = 457640184.

The previous prime is 1372920551. The next prime is 1372920559. The reversal of 1372920558 is 8550292731.

It is a happy number.

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

1372920558 is an admirable number.

It is a super-3 number, since 3×13729205583 (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372920551) 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, 114410041 + ... + 114410052.

It is an arithmetic number, because the mean of its divisors is an integer number (343230141).

Almost surely, 21372920558 is an apocalyptic number.

1372920558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372920558 is a wasteful number, since it uses less digits than its factorization.

1372920558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228820098.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1372920558 is about 37052.9426361794. The cubic root of 1372920558 is about 1111.4292003294.

The spelling of 1372920558 in words is "one billion, three hundred seventy-two million, nine hundred twenty thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 228820093 457640186 686460279 1372920558