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146924137 = 899291777
BaseRepresentation
bin10001100000111…
…10001001101001
3101020110112000201
420300132021221
5300103033022
622325032201
73432556153
oct1060361151
9336415021
10146924137
1175a31308
1241255661
1324592b79
1415727ad3
15cd73127
hex8c1e269

146924137 has 8 divisors (see below), whose sum is σ = 148818600. Its totient is φ = 145035264.

The previous prime is 146924123. The next prime is 146924147. The reversal of 146924137 is 731429641.

It can be written as a sum of positive squares in 4 ways, for example, as 1263376 + 145660761 = 1124^2 + 12069^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 146924137 - 219 = 146399849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146924096 and 146924105.

It is not an unprimeable number, because it can be changed into a prime (146924117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81793 + ... + 83569.

It is an arithmetic number, because the mean of its divisors is an integer number (18602325).

Almost surely, 2146924137 is an apocalyptic number.

It is an amenable number.

146924137 is a deficient number, since it is larger than the sum of its proper divisors (1894463).

146924137 is an equidigital number, since it uses as much as digits as its factorization.

146924137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its digits is 36288, while the sum is 37.

The square root of 146924137 is about 12121.2267118473. The cubic root of 146924137 is about 527.6724047320.

The spelling of 146924137 in words is "one hundred forty-six million, nine hundred twenty-four thousand, one hundred thirty-seven".

Divisors: 1 89 929 1777 82681 158153 1650833 146924137