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85203154 = 242601577
BaseRepresentation
bin1010001010000…
…01100011010010
312221022202202101
411011001203102
5133303000104
612242111014
72053133461
oct505014322
9187282671
1085203154
1144105433
122464b46a
131486278a
14b45c9d8
1577305a4
hex51418d2

85203154 has 4 divisors (see below), whose sum is σ = 127804734. Its totient is φ = 42601576.

The previous prime is 85203149. The next prime is 85203161. The reversal of 85203154 is 45130258.

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

It can be written as a sum of positive squares in only one way, i.e., 83229129 + 1974025 = 9123^2 + 1405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21300787 + ... + 21300790.

Almost surely, 285203154 is an apocalyptic number.

85203154 is a deficient number, since it is larger than the sum of its proper divisors (42601580).

85203154 is a wasteful number, since it uses less digits than its factorization.

85203154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42601579.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 85203154 is about 9230.5554545759. Note that the first 3 decimals coincide. The cubic root of 85203154 is about 440.0329761786.

The spelling of 85203154 in words is "eighty-five million, two hundred three thousand, one hundred fifty-four".

Divisors: 1 2 42601577 85203154