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144579694 = 2724135983
BaseRepresentation
bin10001001111000…
…01110001101110
3101002001102001111
420213201301232
5244003022234
622202502234
73403623100
oct1047416156
9332042044
10144579694
117467a956
124050497a
1323c51a1c
14152b7570
15ca5d664
hex89e1c6e

144579694 has 24 divisors (see below), whose sum is σ = 258437088. Its totient is φ = 60449760.

The previous prime is 144579667. The next prime is 144579697. The reversal of 144579694 is 496975441.

144579694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144579697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13974 + ... + 22009.

It is an arithmetic number, because the mean of its divisors is an integer number (10768212).

Almost surely, 2144579694 is an apocalyptic number.

144579694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144579694 is a deficient number, since it is larger than the sum of its proper divisors (113857394).

144579694 is a wasteful number, since it uses less digits than its factorization.

144579694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36040 (or 36033 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 144579694 is about 12024.1296566529. The cubic root of 144579694 is about 524.8506834625.

The spelling of 144579694 in words is "one hundred forty-four million, five hundred seventy-nine thousand, six hundred ninety-four".

Divisors: 1 2 7 14 41 49 82 98 287 574 2009 4018 35983 71966 251881 503762 1475303 1763167 2950606 3526334 10327121 20654242 72289847 144579694