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49719465 = 3251104877
BaseRepresentation
bin1011110110101…
…0100010101001
310110120000021200
42331222202221
5100212010330
64533354413
71142415465
oct275524251
9113500250
1049719465
1126079a74
1214798a09
13a3ba803
1468634a5
154571a60
hex2f6a8a9

49719465 has 12 divisors (see below), whose sum is σ = 86180484. Its totient is φ = 26517024.

The previous prime is 49719457. The next prime is 49719473. The reversal of 49719465 is 56491794.

It is an interprime number because it is at equal distance from previous prime (49719457) and next prime (49719473).

It can be written as a sum of positive squares in 2 ways, for example, as 31775769 + 17943696 = 5637^2 + 4236^2 .

It is not a de Polignac number, because 49719465 - 23 = 49719457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1104877 = 49719465 / (4 + 9 + 7 + 1 + 9 + 4 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49719465.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552394 + ... + 552483.

It is an arithmetic number, because the mean of its divisors is an integer number (7181707).

Almost surely, 249719465 is an apocalyptic number.

49719465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49719465 is a deficient number, since it is larger than the sum of its proper divisors (36461019).

49719465 is a wasteful number, since it uses less digits than its factorization.

49719465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104888 (or 1104885 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 49719465 is about 7051.2030888353. The cubic root of 49719465 is about 367.7128573909.

The spelling of 49719465 in words is "forty-nine million, seven hundred nineteen thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 45 1104877 3314631 5524385 9943893 16573155 49719465