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153973137 = 3132738677
BaseRepresentation
bin10010010110101…
…11000110010001
3101201201122102210
421023113012101
5303404120022
623140102333
73546515163
oct1113270621
9351648383
10153973137
1179a0632a
12436949a9
1325b90486
1416640933
15d7b6a0c
hex92d7191

153973137 has 8 divisors (see below), whose sum is σ = 205457536. Its totient is φ = 102568752.

The previous prime is 153973129. The next prime is 153973159. The reversal of 153973137 is 731379351.

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

It is not a de Polignac number, because 153973137 - 23 = 153973129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153973095 and 153973104.

It is not an unprimeable number, because it can be changed into a prime (153973117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15358 + ... + 23319.

It is an arithmetic number, because the mean of its divisors is an integer number (25682192).

Almost surely, 2153973137 is an apocalyptic number.

It is an amenable number.

153973137 is a deficient number, since it is larger than the sum of its proper divisors (51484399).

153973137 is a wasteful number, since it uses less digits than its factorization.

153973137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40007.

The product of its digits is 59535, while the sum is 39.

The square root of 153973137 is about 12408.5912576730. The cubic root of 153973137 is about 535.9796729222.

The spelling of 153973137 in words is "one hundred fifty-three million, nine hundred seventy-three thousand, one hundred thirty-seven".

Divisors: 1 3 1327 3981 38677 116031 51324379 153973137