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1152146031 = 33132173851
BaseRepresentation
bin100010010101100…
…0101101001101111
32222021222002020020
41010223011221233
54324422133111
6310154253223
740360036221
oct10453055157
92867862206
101152146031
115413a1403
12281a27213
1315490ab1a
14ad034411
156b236906
hex44ac5a6f

1152146031 has 16 divisors (see below), whose sum is σ = 1586654208. Its totient is φ = 742896000.

The previous prime is 1152145993. The next prime is 1152146053. The reversal of 1152146031 is 1306412511.

It is a happy number.

It is not a de Polignac number, because 1152146031 - 27 = 1152145903 is a prime.

It is a super-2 number, since 2×11521460312 = 2654880953498105922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1152145992 and 1152146010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152146131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297256 + ... + 301106.

It is an arithmetic number, because the mean of its divisors is an integer number (99165888).

Almost surely, 21152146031 is an apocalyptic number.

1152146031 is a deficient number, since it is larger than the sum of its proper divisors (434508177).

1152146031 is a wasteful number, since it uses less digits than its factorization.

1152146031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1152146031 is about 33943.2766685834. The cubic root of 1152146031 is about 1048.3408508915.

Adding to 1152146031 its reverse (1306412511), we get a palindrome (2458558542).

The spelling of 1152146031 in words is "one billion, one hundred fifty-two million, one hundred forty-six thousand, thirty-one".

Divisors: 1 3 31 93 3217 3851 9651 11553 99727 119381 299181 358143 12388667 37166001 384048677 1152146031