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100145494 = 2109459383
BaseRepresentation
bin1011111100000…
…01100101010110
320222102220210101
411332001211112
5201114123434
613534244314
72324136241
oct576014526
9228386711
10100145494
1151590879
122965669a
1317994ab7
14d42c258
158bd2b14
hex5f81956

100145494 has 8 divisors (see below), whose sum is σ = 151596720. Its totient is φ = 49613256.

The previous prime is 100145491. The next prime is 100145527. The reversal of 100145494 is 494541001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100145491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229474 + ... + 229909.

It is an arithmetic number, because the mean of its divisors is an integer number (18949590).

Almost surely, 2100145494 is an apocalyptic number.

100145494 is a deficient number, since it is larger than the sum of its proper divisors (51451226).

100145494 is a wasteful number, since it uses less digits than its factorization.

100145494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459494.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 100145494 is about 10007.2720558602. The cubic root of 100145494 is about 464.3838820519.

Adding to 100145494 its reverse (494541001), we get a palindrome (594686495).

The spelling of 100145494 in words is "one hundred million, one hundred forty-five thousand, four hundred ninety-four".

Divisors: 1 2 109 218 459383 918766 50072747 100145494