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147442008 = 23374771263
BaseRepresentation
bin10001100100111…
…00100101011000
3101021102211102010
420302130211120
5300221121013
622344105520
73440144040
oct1062344530
9337384363
10147442008
11762553aa
12414652a0
13247147bc
1415820720
15ce267c3
hex8c9c958

147442008 has 128 divisors (see below), whose sum is σ = 437944320. Its totient is φ = 40494720.

The previous prime is 147442007. The next prime is 147442013. The reversal of 147442008 is 800244741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147442007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560485 + ... + 560747.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2147442008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147442008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218972160).

147442008 is an abundant number, since it is smaller than the sum of its proper divisors (290502312).

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

147442008 is a wasteful number, since it uses less digits than its factorization.

147442008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 147442008 is about 12142.5700739176. The cubic root of 147442008 is about 528.2916490204.

Adding to 147442008 its reverse (800244741), we get a palindrome (947686749).

The spelling of 147442008 in words is "one hundred forty-seven million, four hundred forty-two thousand, eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 47 56 71 84 94 141 142 168 188 213 263 282 284 329 376 426 497 526 564 568 658 789 852 987 994 1052 1128 1316 1491 1578 1704 1841 1974 1988 2104 2632 2982 3156 3337 3682 3948 3976 5523 5964 6312 6674 7364 7896 10011 11046 11928 12361 13348 14728 18673 20022 22092 23359 24722 26696 37083 37346 40044 44184 46718 49444 56019 70077 74166 74692 80088 86527 93436 98888 112038 130711 140154 148332 149384 173054 186872 224076 259581 261422 280308 296664 346108 392133 448152 519162 522844 560616 692216 784266 877631 1038324 1045688 1568532 1755262 2076648 2632893 3137064 3510524 5265786 6143417 7021048 10531572 12286834 18430251 21063144 24573668 36860502 49147336 73721004 147442008