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151162225 = 526046489
BaseRepresentation
bin10010000001010…
…00110101110001
3101112102211120221
421000220311301
5302144142400
622555533041
73513600124
oct1100506561
9345384527
10151162225
1178366465
124275a181
1325417c06
141610c3bb
15d40dc1a
hex9028d71

151162225 has 6 divisors (see below), whose sum is σ = 187441190. Its totient is φ = 120929760.

The previous prime is 151162183. The next prime is 151162241. The reversal of 151162225 is 522261151.

It can be written as a sum of positive squares in 3 ways, for example, as 167281 + 150994944 = 409^2 + 12288^2 .

It is not a de Polignac number, because 151162225 - 27 = 151162097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 6046489 = 151162225 / (1 + 5 + 1 + 1 + 6 + 2 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 151162225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3023220 + ... + 3023269.

Almost surely, 2151162225 is an apocalyptic number.

It is an amenable number.

151162225 is a deficient number, since it is larger than the sum of its proper divisors (36278965).

151162225 is an equidigital number, since it uses as much as digits as its factorization.

151162225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046499 (or 6046494 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 151162225 is about 12294.8047971491. The cubic root of 151162225 is about 532.6980315122.

It can be divided in two parts, 1511 and 62225, that added together give a palindrome (63736).

The spelling of 151162225 in words is "one hundred fifty-one million, one hundred sixty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 6046489 30232445 151162225