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154440056 = 23191016053
BaseRepresentation
bin10010011010010…
…01000101111000
3101202121100221002
421031021011320
5304014040211
623154104132
73553501361
oct1115110570
9352540832
10154440056
117a1a5111
124387b048
1325cc4b64
1416722b68
15d85a03b
hex9349178

154440056 has 16 divisors (see below), whose sum is σ = 304816200. Its totient is φ = 73155744.

The previous prime is 154440043. The next prime is 154440059. The reversal of 154440056 is 650044451.

154440056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154440059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507875 + ... + 508178.

Almost surely, 2154440056 is an apocalyptic number.

It is an amenable number.

154440056 is a deficient number, since it is larger than the sum of its proper divisors (150376144).

154440056 is a wasteful number, since it uses less digits than its factorization.

154440056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016078 (or 1016074 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 154440056 is about 12427.3913594125. The cubic root of 154440056 is about 536.5209070520.

The spelling of 154440056 in words is "one hundred fifty-four million, four hundred forty thousand, fifty-six".

Divisors: 1 2 4 8 19 38 76 152 1016053 2032106 4064212 8128424 19305007 38610014 77220028 154440056