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153020245 = 574372007
BaseRepresentation
bin10010001111011…
…10011101010101
3101122221020022111
421013232131111
5303133121440
623103431021
73535436110
oct1107563525
9348836274
10153020245
1179415414
12432b5471
1325918831
1416473577
15d6794ea
hex91ee755

153020245 has 8 divisors (see below), whose sum is σ = 209856384. Its totient is φ = 104928144.

The previous prime is 153020239. The next prime is 153020249. The reversal of 153020245 is 542020351.

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 153020245 - 27 = 153020117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153020249) 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, 2185969 + ... + 2186038.

It is an arithmetic number, because the mean of its divisors is an integer number (26232048).

Almost surely, 2153020245 is an apocalyptic number.

It is an amenable number.

153020245 is a deficient number, since it is larger than the sum of its proper divisors (56836139).

153020245 is an equidigital number, since it uses as much as digits as its factorization.

153020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372019.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 153020245 is about 12370.1352054050. The cubic root of 153020245 is about 534.8717134981.

Adding to 153020245 its reverse (542020351), we get a palindrome (695040596).

The spelling of 153020245 in words is "one hundred fifty-three million, twenty thousand, two hundred forty-five".

Divisors: 1 5 7 35 4372007 21860035 30604049 153020245