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147100031 = 13171315081
BaseRepresentation
bin10001100010010…
…01000101111111
3101020210110022022
420301021011333
5300124200111
622332510355
73434221031
oct1061110577
9336713268
10147100031
1176041481
124131b3bb
1324624c50
1415771c51
15cdaa2db
hex8c4917f

147100031 has 16 divisors (see below), whose sum is σ = 169047648. Its totient is φ = 126796800.

The previous prime is 147100027. The next prime is 147100043. The reversal of 147100031 is 130001741.

147100031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147100031 - 22 = 147100027 is a prime.

It is a super-2 number, since 2×1471000312 = 43276838240401922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147099982 and 147100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147100091) 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, 26411 + ... + 31491.

It is an arithmetic number, because the mean of its divisors is an integer number (10565478).

Almost surely, 2147100031 is an apocalyptic number.

147100031 is a deficient number, since it is larger than the sum of its proper divisors (21947617).

147100031 is a wasteful number, since it uses less digits than its factorization.

147100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 147100031 is about 12128.4801603499. The cubic root of 147100031 is about 527.8828929428.

Adding to 147100031 its reverse (130001741), we get a palindrome (277101772).

The spelling of 147100031 in words is "one hundred forty-seven million, one hundred thousand, thirty-one".

Divisors: 1 13 17 131 221 1703 2227 5081 28951 66053 86377 665611 1122901 8652943 11315387 147100031