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152542011 = 3246720611
BaseRepresentation
bin10010001011110…
…01101100111011
3101122000221022010
421011321230323
5303022321021
623045301003
73531404616
oct1105715473
9348027263
10152542011
1179119086
1243104763
13257abc5b
141638b17d
15d5d2976
hex9179b3b

152542011 has 8 divisors (see below), whose sum is σ = 203481664. Its totient is φ = 101648520.

The previous prime is 152542007. The next prime is 152542021. The reversal of 152542011 is 110245251.

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

It is not a de Polignac number, because 152542011 - 22 = 152542007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152542021) 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, 2905 + ... + 17706.

It is an arithmetic number, because the mean of its divisors is an integer number (25435208).

Almost surely, 2152542011 is an apocalyptic number.

152542011 is a deficient number, since it is larger than the sum of its proper divisors (50939653).

152542011 is a wasteful number, since it uses less digits than its factorization.

152542011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23081.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 152542011 is about 12350.7898937679. The cubic root of 152542011 is about 534.3139206821.

Adding to 152542011 its reverse (110245251), we get a palindrome (262787262).

The spelling of 152542011 in words is "one hundred fifty-two million, five hundred forty-two thousand, eleven".

Divisors: 1 3 2467 7401 20611 61833 50847337 152542011