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147949446 = 23101244141
BaseRepresentation
bin10001101000110…
…00011110000110
3101022101121111010
420310120132012
5300333340241
622403023050
73444356331
oct1064303606
9338347433
10147949446
1176571677
124166aa86
1324861768
1415913618
15cec6d16
hex8d18786

147949446 has 16 divisors (see below), whose sum is σ = 298829808. Its totient is φ = 48828000.

The previous prime is 147949441. The next prime is 147949457. The reversal of 147949446 is 644949741.

It is a junction number, because it is equal to n+sod(n) for n = 147949395 and 147949404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147949441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121465 + ... + 122676.

It is an arithmetic number, because the mean of its divisors is an integer number (18676863).

Almost surely, 2147949446 is an apocalyptic number.

147949446 is an abundant number, since it is smaller than the sum of its proper divisors (150880362).

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

147949446 is a wasteful number, since it uses less digits than its factorization.

147949446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244247.

The product of its digits is 870912, while the sum is 48.

The square root of 147949446 is about 12163.4471265345. The cubic root of 147949446 is about 528.8970131478.

The spelling of 147949446 in words is "one hundred forty-seven million, nine hundred forty-nine thousand, four hundred forty-six".

Divisors: 1 2 3 6 101 202 303 606 244141 488282 732423 1464846 24658241 49316482 73974723 147949446