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152028763 = 1371517349
BaseRepresentation
bin10010000111111…
…00011001011011
3101121001212020221
421003330121123
5302404410023
623030300511
73524136355
oct1103743133
9347055227
10152028763
11788a8507
1242ab7737
132565c463
14162960d5
15d53085d
hex90fc65b

152028763 has 8 divisors (see below), whose sum is σ = 154173600. Its totient is φ = 149899200.

The previous prime is 152028761. The next prime is 152028769. The reversal of 152028763 is 367820251.

It is a happy number.

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 152028763 - 21 = 152028761 is a prime.

It is a super-2 number, since 2×1520287632 = 46225489558620338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152028761) 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, 17013 + ... + 24361.

It is an arithmetic number, because the mean of its divisors is an integer number (19271700).

Almost surely, 2152028763 is an apocalyptic number.

152028763 is a deficient number, since it is larger than the sum of its proper divisors (2144837).

152028763 is a wasteful number, since it uses less digits than its factorization.

152028763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 152028763 is about 12329.9944444432. The cubic root of 152028763 is about 533.7139904444.

The spelling of 152028763 in words is "one hundred fifty-two million, twenty-eight thousand, seven hundred sixty-three".

Divisors: 1 137 151 7349 20687 1006813 1109699 152028763