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149370 = 23513383
BaseRepresentation
bin100100011101111010
321120220020
4210131322
514234440
63111310
71161324
oct443572
9246806
10149370
11a2251
1272536
1352cb0
143c614
152e3d0
hex2477a

149370 has 32 divisors (see below), whose sum is σ = 387072. Its totient is φ = 36672.

The previous prime is 149351. The next prime is 149371. The reversal of 149370 is 73941.

It is a super-2 number, since 2×1493702 = 44622793800, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 149370.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2149370 is an apocalyptic number.

149370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536).

149370 is an abundant number, since it is smaller than the sum of its proper divisors (237702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149370 is a wasteful number, since it uses less digits than its factorization.

149370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 149370 is about 386.4841523271. The cubic root of 149370 is about 53.0584379751.

The spelling of 149370 in words is "one hundred forty-nine thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 383 390 766 1149 1915 2298 3830 4979 5745 9958 11490 14937 24895 29874 49790 74685 149370