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49632025 = 5214092
BaseRepresentation
bin1011110101010…
…1001100011001
310110101120100011
42331111030121
5100201211100
64531441521
71141602532
oct275251431
9113346304
1049632025
112601a303
12147562a1
13a389a81
14683d689
154555bba
hex2f55319

49632025 has 9 divisors (see below), whose sum is σ = 61587421. Its totient is φ = 39677440.

The previous prime is 49632013. The next prime is 49632041. The reversal of 49632025 is 52023694.

The square root of 49632025 is 7045.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 26245129 + 23386896 = 5123^2 + 4836^2 .

It is a de Polignac number, because none of the positive numbers 2k-49632025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34521 + ... + 35929.

Almost surely, 249632025 is an apocalyptic number.

49632025 is the 7045-th square number.

49632025 is the 3523-rd centered octagonal number.

It is an amenable number.

49632025 is a deficient number, since it is larger than the sum of its proper divisors (11955396).

49632025 is an frugal number, since it uses more digits than its factorization.

49632025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The cubic root of 49632025 is about 367.4971693675.

It can be divided in two parts, 49 and 632025, that multiplied together give a square (30969225 = 55652).

The spelling of 49632025 in words is "forty-nine million, six hundred thirty-two thousand, twenty-five".

Divisors: 1 5 25 1409 7045 35225 1985281 9926405 49632025