Search a number
-
+
29987050 = 252599741
BaseRepresentation
bin111001001100…
…1000011101010
32002102111111111
41302121003222
530134041200
62550420534
7512612542
oct162310352
962374444
1029987050
1115a21795
12a06174a
13629c122
143da8322
1529750ba
hex1c990ea

29987050 has 12 divisors (see below), whose sum is σ = 55776006. Its totient is φ = 11994800.

The previous prime is 29987047. The next prime is 29987053. The reversal of 29987050 is 5078992.

It is an interprime number because it is at equal distance from previous prime (29987047) and next prime (29987053).

It can be written as a sum of positive squares in 3 ways, for example, as 17048641 + 12938409 = 4129^2 + 3597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29986994 and 29987012.

It is not an unprimeable number, because it can be changed into a prime (29987053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299821 + ... + 299920.

Almost surely, 229987050 is an apocalyptic number.

29987050 is a deficient number, since it is larger than the sum of its proper divisors (25788956).

29987050 is a wasteful number, since it uses less digits than its factorization.

29987050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599753 (or 599748 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 29987050 is about 5476.0432795952. The cubic root of 29987050 is about 310.6785345373.

The spelling of 29987050 in words is "twenty-nine million, nine hundred eighty-seven thousand, fifty".

Divisors: 1 2 5 10 25 50 599741 1199482 2998705 5997410 14993525 29987050