Search a number
-
+
147804140 = 22511671837
BaseRepresentation
bin10001100111101…
…00111111101100
3101022010020011102
420303310333230
5300314213030
622355542232
73443212601
oct1063647754
9338106142
10147804140
1176482490
12415ba978
1324810593
14158b66a8
15ce98c45
hex8cf4fec

147804140 has 24 divisors (see below), whose sum is σ = 338606352. Its totient is φ = 53746880.

The previous prime is 147804133. The next prime is 147804149. The reversal of 147804140 is 41408741.

It is a super-2 number, since 2×1478041402 = 43692127602279200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147804149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335699 + ... + 336138.

It is an arithmetic number, because the mean of its divisors is an integer number (14108598).

Almost surely, 2147804140 is an apocalyptic number.

147804140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147804140 is an abundant number, since it is smaller than the sum of its proper divisors (190802212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147804140 is a wasteful number, since it uses less digits than its factorization.

147804140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671857 (or 671855 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 147804140 is about 12157.4725991877. The cubic root of 147804140 is about 528.7238074013.

The spelling of 147804140 in words is "one hundred forty-seven million, eight hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 671837 1343674 2687348 3359185 6718370 7390207 13436740 14780414 29560828 36951035 73902070 147804140