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142672037 = 373856001
BaseRepresentation
bin10001000000100…
…00000010100101
3100221110111020112
420200100002211
5243011001122
622053542405
73351456314
oct1040200245
9327414215
10142672037
1173597682
123b944a05
1323734631
1414d3c27b
15c7d32e2
hex88100a5

142672037 has 4 divisors (see below), whose sum is σ = 146528076. Its totient is φ = 138816000.

The previous prime is 142672031. The next prime is 142672039. The reversal of 142672037 is 730276241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79405921 + 63266116 = 8911^2 + 7954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142672037 is a prime.

It is a super-3 number, since 3×1426720373 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142671994 and 142672012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142672031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927964 + ... + 1928037.

It is an arithmetic number, because the mean of its divisors is an integer number (36632019).

Almost surely, 2142672037 is an apocalyptic number.

It is an amenable number.

142672037 is a deficient number, since it is larger than the sum of its proper divisors (3856039).

142672037 is an equidigital number, since it uses as much as digits as its factorization.

142672037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856038.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 142672037 is about 11944.5400497466. The cubic root of 142672037 is about 522.5320746776.

The spelling of 142672037 in words is "one hundred forty-two million, six hundred seventy-two thousand, thirty-seven".

Divisors: 1 37 3856001 142672037