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1390424058 = 23277245781
BaseRepresentation
bin101001011100000…
…0010111111111010
310120220022212020100
41102320002333322
510321422032213
6345545340230
746312260312
oct12270027772
93526285210
101390424058
116539491a1
12329797676
131920a7c3a
14d293c442
1582102773
hex52e02ffa

1390424058 has 12 divisors (see below), whose sum is σ = 3012585498. Its totient is φ = 463474680.

The previous prime is 1390424041. The next prime is 1390424069. The reversal of 1390424058 is 8504240931.

It can be written as a sum of positive squares in only one way, i.e., 923734449 + 466689609 = 30393^2 + 21603^2 .

It is a super-2 number, since 2×13904240582 = 3866558122130374728, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38622873 + ... + 38622908.

Almost surely, 21390424058 is an apocalyptic number.

1390424058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1390424058 is an abundant number, since it is smaller than the sum of its proper divisors (1622161440).

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

1390424058 is a wasteful number, since it uses less digits than its factorization.

1390424058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77245789 (or 77245786 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1390424058 is about 37288.3903916487. The cubic root of 1390424058 is about 1116.1325092205.

Adding to 1390424058 its reverse (8504240931), we get a palindrome (9894664989).

The spelling of 1390424058 in words is "one billion, three hundred ninety million, four hundred twenty-four thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 77245781 154491562 231737343 463474686 695212029 1390424058