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147144372 = 22312262031
BaseRepresentation
bin10001100010100…
…11111010110100
3101020212201010120
420301103322310
5300132104442
622333451540
73434464224
oct1061237264
9336781116
10147144372
1176071821
1241340bb0
132463c19b
1415784084
15cdb84ec
hex8c53eb4

147144372 has 12 divisors (see below), whose sum is σ = 343336896. Its totient is φ = 49048120.

The previous prime is 147144343. The next prime is 147144457. The reversal of 147144372 is 273441741.

147144372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1471443722 = 43302932422548768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6131004 + ... + 6131027.

It is an arithmetic number, because the mean of its divisors is an integer number (28611408).

Almost surely, 2147144372 is an apocalyptic number.

147144372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147144372 is an abundant number, since it is smaller than the sum of its proper divisors (196192524).

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

147144372 is a wasteful number, since it uses less digits than its factorization.

147144372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262038 (or 12262036 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 147144372 is about 12130.3079927923. The cubic root of 147144372 is about 527.9359282905.

The spelling of 147144372 in words is "one hundred forty-seven million, one hundred forty-four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 12262031 24524062 36786093 49048124 73572186 147144372