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102674231 = 1123405827
BaseRepresentation
bin1100001111010…
…10111100110111
321011012101120022
412013222330313
5202241033411
614104355355
72354500532
oct607527467
9234171508
10102674231
1152a58740
122a475b5b
131836baaa
14d8c9a19
159031edb
hex61eaf37

102674231 has 8 divisors (see below), whose sum is σ = 116878464. Its totient is φ = 89281720.

The previous prime is 102674213. The next prime is 102674267. The reversal of 102674231 is 132476201.

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

It is not a de Polignac number, because 102674231 - 214 = 102657847 is a prime.

It is a super-2 number, since 2×1026742312 = 21083995422882722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102674231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102674431) 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 7 ways as a sum of consecutive naturals, for example, 202661 + ... + 203166.

It is an arithmetic number, because the mean of its divisors is an integer number (14609808).

Almost surely, 2102674231 is an apocalyptic number.

102674231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102674231 is a deficient number, since it is larger than the sum of its proper divisors (14204233).

102674231 is a wasteful number, since it uses less digits than its factorization.

102674231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405861.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 102674231 is about 10132.8293679505. The cubic root of 102674231 is about 468.2600993490.

It can be divided in two parts, 1026 and 74231, that added together give a palindrome (75257).

The spelling of 102674231 in words is "one hundred two million, six hundred seventy-four thousand, two hundred thirty-one".

Divisors: 1 11 23 253 405827 4464097 9334021 102674231