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149423102 = 2181412771
BaseRepresentation
bin10001110100000…
…00001111111110
3101102011110221222
420322000033332
5301223014402
622454353342
73463034603
oct1072001776
9342143858
10149423102
1177388874
124205b852
1324c5944a
1415bb86aa
15d1b87a2
hex8e803fe

149423102 has 8 divisors (see below), whose sum is σ = 225373512. Its totient is φ = 74298600.

The previous prime is 149423101. The next prime is 149423117. The reversal of 149423102 is 201324941.

149423102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1494231022 = 44654526822604808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149423101) 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, 206024 + ... + 206747.

It is an arithmetic number, because the mean of its divisors is an integer number (28171689).

Almost surely, 2149423102 is an apocalyptic number.

149423102 is a deficient number, since it is larger than the sum of its proper divisors (75950410).

149423102 is a wasteful number, since it uses less digits than its factorization.

149423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412954.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 149423102 is about 12223.8742630968. The cubic root of 149423102 is about 530.6472476929.

The spelling of 149423102 in words is "one hundred forty-nine million, four hundred twenty-three thousand, one hundred two".

Divisors: 1 2 181 362 412771 825542 74711551 149423102