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149344797 = 3721397309
BaseRepresentation
bin10001110011011…
…01001000011101
3101102000111112210
420321231020131
5301213013142
622452551033
73462260400
oct1071551035
9342014483
10149344797
1177334a58
1242022479
1324c2c904
1415b97d37
15d1a049c
hex8e6d21d

149344797 has 24 divisors (see below), whose sum is σ = 233335200. Its totient is φ = 84714336.

The previous prime is 149344781. The next prime is 149344801. The reversal of 149344797 is 797443941.

149344797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149344797 - 24 = 149344781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149344717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16779 + ... + 24087.

It is an arithmetic number, because the mean of its divisors is an integer number (9722300).

Almost surely, 2149344797 is an apocalyptic number.

It is an amenable number.

149344797 is a deficient number, since it is larger than the sum of its proper divisors (83990403).

149344797 is a wasteful number, since it uses less digits than its factorization.

149344797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465 (or 7458 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 149344797 is about 12220.6708899307. The cubic root of 149344797 is about 530.5545364750.

The spelling of 149344797 in words is "one hundred forty-nine million, three hundred forty-four thousand, seven hundred ninety-seven".

Divisors: 1 3 7 21 49 139 147 417 973 2919 6811 7309 20433 21927 51163 153489 358141 1015951 1074423 3047853 7111657 21334971 49781599 149344797