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149472199 = 259157689
BaseRepresentation
bin10001110100011…
…00001111000111
3101102020222022101
420322030033013
5301231102244
622455412531
73463331002
oct1072141707
9342228271
10149472199
1177411748
1242084147
1324c758b6
1415bcc539
15d1c80d4
hex8e8c3c7

149472199 has 4 divisors (see below), whose sum is σ = 149532480. Its totient is φ = 149411920.

The previous prime is 149472161. The next prime is 149472227. The reversal of 149472199 is 991274941.

149472199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991274941 = 3131976611.

It is a cyclic number.

It is not a de Polignac number, because 149472199 - 215 = 149439431 is a prime.

It is a super-3 number, since 3×1494721993 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149472139) 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, 26254 + ... + 31435.

It is an arithmetic number, because the mean of its divisors is an integer number (37383120).

Almost surely, 2149472199 is an apocalyptic number.

149472199 is a deficient number, since it is larger than the sum of its proper divisors (60281).

149472199 is an equidigital number, since it uses as much as digits as its factorization.

149472199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60280.

The product of its digits is 163296, while the sum is 46.

The square root of 149472199 is about 12225.8823403466. The cubic root of 149472199 is about 530.7053608285.

The spelling of 149472199 in words is "one hundred forty-nine million, four hundred seventy-two thousand, one hundred ninety-nine".

Divisors: 1 2591 57689 149472199