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152340747 = 3133906173
BaseRepresentation
bin10010001010010…
…00100100001011
3101121122201012220
421011020210023
5302444400442
623041105123
73526606056
oct1105104413
9347581186
10152340747
1178aa0949
12430281a3
132573b470
1416337a9d
15d592eec
hex914890b

152340747 has 8 divisors (see below), whose sum is σ = 218745744. Its totient is φ = 93748128.

The previous prime is 152340743. The next prime is 152340779. The reversal of 152340747 is 747043251.

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

It is not a de Polignac number, because 152340747 - 22 = 152340743 is a prime.

It is a super-3 number, since 3×1523407473 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (152340743) 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, 1953048 + ... + 1953125.

It is an arithmetic number, because the mean of its divisors is an integer number (27343218).

Almost surely, 2152340747 is an apocalyptic number.

152340747 is a deficient number, since it is larger than the sum of its proper divisors (66404997).

152340747 is a wasteful number, since it uses less digits than its factorization.

152340747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906189.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 152340747 is about 12342.6393854799. The cubic root of 152340747 is about 534.0788259122.

Adding to 152340747 its reverse (747043251), we get a palindrome (899383998).

The spelling of 152340747 in words is "one hundred fifty-two million, three hundred forty thousand, seven hundred forty-seven".

Divisors: 1 3 13 39 3906173 11718519 50780249 152340747