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1030131238 = 24611117279
BaseRepresentation
bin111101011001101…
…000111000100110
32122210101002101211
4331121220320212
54102203144423
6250115142034
734345654033
oct7531507046
92583332354
101030131238
11489533934
12248ba491a
13135559b16
149ab5238a
156068410d
hex3d668e26

1030131238 has 8 divisors (see below), whose sum is σ = 1548550080. Its totient is φ = 513947880.

The previous prime is 1030131143. The next prime is 1030131239. The reversal of 1030131238 is 8321310301.

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

It is a super-2 number, since 2×10301312382 = 2122340735006825288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030131239) 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, 557718 + ... + 559561.

It is an arithmetic number, because the mean of its divisors is an integer number (193568760).

Almost surely, 21030131238 is an apocalyptic number.

1030131238 is a deficient number, since it is larger than the sum of its proper divisors (518418842).

1030131238 is a wasteful number, since it uses less digits than its factorization.

1030131238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117742.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1030131238 is about 32095.6576190612. The cubic root of 1030131238 is about 1009.9445246137.

Adding to 1030131238 its reverse (8321310301), we get a palindrome (9351441539).

The spelling of 1030131238 in words is "one billion, thirty million, one hundred thirty-one thousand, two hundred thirty-eight".

Divisors: 1 2 461 922 1117279 2234558 515065619 1030131238