Search a number
-
+
149550488 = 2318693811
BaseRepresentation
bin10001110100111…
…11010110011000
3101102101221200222
420322133112120
5301241103423
622501215212
73464105153
oct1072372630
9342357628
10149550488
117746554a
1242101508
1324ca2419
1415c0cc9a
15d1e13c8
hex8e9f598

149550488 has 8 divisors (see below), whose sum is σ = 280407180. Its totient is φ = 74775240.

The previous prime is 149550487. The next prime is 149550521. The reversal of 149550488 is 884055941.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1495504882 = 44730696922076288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149550487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9346898 + ... + 9346913.

Almost surely, 2149550488 is an apocalyptic number.

It is an amenable number.

149550488 is a deficient number, since it is larger than the sum of its proper divisors (130856692).

149550488 is a wasteful number, since it uses less digits than its factorization.

149550488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18693817 (or 18693813 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 149550488 is about 12229.0836942103. The cubic root of 149550488 is about 530.7980004419.

The spelling of 149550488 in words is "one hundred forty-nine million, five hundred fifty thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 18693811 37387622 74775244 149550488