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144263704 = 23131387151
BaseRepresentation
bin10001001100101…
…00101000011000
3101001110100121011
420212110220120
5243412414304
622152023304
73401135614
oct1046245030
9331410534
10144263704
1174484502
1240391b34
1323b70c50
1415234344
15c9e9c04
hex8994a18

144263704 has 16 divisors (see below), whose sum is σ = 291301920. Its totient is φ = 66583200.

The previous prime is 144263681. The next prime is 144263723. The reversal of 144263704 is 407362441.

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, 693472 + ... + 693679.

It is an arithmetic number, because the mean of its divisors is an integer number (18206370).

Almost surely, 2144263704 is an apocalyptic number.

It is an amenable number.

144263704 is an abundant number, since it is smaller than the sum of its proper divisors (147038216).

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

144263704 is a wasteful number, since it uses less digits than its factorization.

144263704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387170 (or 1387166 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 144263704 is about 12010.9826409000. The cubic root of 144263704 is about 524.4680374306.

The spelling of 144263704 in words is "one hundred forty-four million, two hundred sixty-three thousand, seven hundred four".

Divisors: 1 2 4 8 13 26 52 104 1387151 2774302 5548604 11097208 18032963 36065926 72131852 144263704