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152403147 = 33131725541
BaseRepresentation
bin10010001010101…
…11110011001011
3101121202212211000
421011113303023
5303003400042
623042310043
73530256021
oct1105276313
9347685730
10152403147
1179033816
1243058323
13257609a0
1416352711
15d5a674c
hex9157ccb

152403147 has 32 divisors (see below), whose sum is σ = 257463360. Its totient is φ = 88266240.

The previous prime is 152403131. The next prime is 152403157. The reversal of 152403147 is 741304251.

It is not a de Polignac number, because 152403147 - 24 = 152403131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 152403147.

It is not an unprimeable number, because it can be changed into a prime (152403107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6804 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (8045730).

Almost surely, 2152403147 is an apocalyptic number.

152403147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

152403147 is a deficient number, since it is larger than the sum of its proper divisors (105060213).

152403147 is a wasteful number, since it uses less digits than its factorization.

152403147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580 (or 25574 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 152403147 is about 12345.1669490534. The cubic root of 152403147 is about 534.1517369579.

Adding to 152403147 its reverse (741304251), we get a palindrome (893707398).

The spelling of 152403147 in words is "one hundred fifty-two million, four hundred three thousand, one hundred forty-seven".

Divisors: 1 3 9 13 17 27 39 51 117 153 221 351 459 663 1989 5967 25541 76623 229869 332033 434197 689607 996099 1302591 2988297 3907773 5644561 8964891 11723319 16933683 50801049 152403147