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147949216 = 254623413
BaseRepresentation
bin10001101000110…
…00011010100000
3101022101121011121
420310120122200
5300333333331
622403022024
73444355552
oct1064303240
9338347147
10147949216
1176571488
124166a914
132486161c
14159134d2
15cec6c11
hex8d186a0

147949216 has 12 divisors (see below), whose sum is σ = 291275082. Its totient is φ = 73974592.

The previous prime is 147949201. The next prime is 147949309. The reversal of 147949216 is 612949741.

It can be written as a sum of positive squares in only one way, i.e., 90250000 + 57699216 = 9500^2 + 7596^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2311675 + ... + 2311738.

Almost surely, 2147949216 is an apocalyptic number.

147949216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

147949216 is a deficient number, since it is larger than the sum of its proper divisors (143325866).

147949216 is an equidigital number, since it uses as much as digits as its factorization.

147949216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623423 (or 4623415 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 147949216 is about 12163.4376719742. The cubic root of 147949216 is about 528.8967390759.

The spelling of 147949216 in words is "one hundred forty-seven million, nine hundred forty-nine thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 4623413 9246826 18493652 36987304 73974608 147949216