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152501401 = 1329404513
BaseRepresentation
bin10010001011011…
…11110010011001
3101121221212121001
421011233302121
5303020021101
623044345001
73531145333
oct1105576231
9347855531
10152501401
11790a0618
12430a5161
1325796620
141637a453
15d5c5901
hex916fc99

152501401 has 8 divisors (see below), whose sum is σ = 169895880. Its totient is φ = 135916032.

The previous prime is 152501387. The next prime is 152501497. The reversal of 152501401 is 104105251.

It can be written as a sum of positive squares in 4 ways, for example, as 23088025 + 129413376 = 4805^2 + 11376^2 .

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 152501401 - 27 = 152501273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152501501) 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, 201880 + ... + 202633.

It is an arithmetic number, because the mean of its divisors is an integer number (21236985).

Almost surely, 2152501401 is an apocalyptic number.

It is an amenable number.

152501401 is a deficient number, since it is larger than the sum of its proper divisors (17394479).

152501401 is a wasteful number, since it uses less digits than its factorization.

152501401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404555.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 152501401 is about 12349.1457599301. The cubic root of 152501401 is about 534.2665011461.

Adding to 152501401 its reverse (104105251), we get a palindrome (256606652).

The spelling of 152501401 in words is "one hundred fifty-two million, five hundred one thousand, four hundred one".

Divisors: 1 13 29 377 404513 5258669 11730877 152501401