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195450740 = 225791031201
BaseRepresentation
bin10111010011001…
…01011101110100
3111121202221000022
423221211131310
5400013410430
631221104312
74562206142
oct1351453564
9447687008
10195450740
11a0366041
1255558098
1331653734
141bd5a592
151225b4e5
hexba65774

195450740 has 48 divisors (see below), whose sum is σ = 420026880. Its totient is φ = 76377600.

The previous prime is 195450733. The next prime is 195450791. The reversal of 195450740 is 47054591.

It is a self number, because there is not a number n which added to its sum of digits gives 195450740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162140 + ... + 163340.

It is an arithmetic number, because the mean of its divisors is an integer number (8750560).

Almost surely, 2195450740 is an apocalyptic number.

195450740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195450740 is an abundant number, since it is smaller than the sum of its proper divisors (224576140).

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

195450740 is a wasteful number, since it uses less digits than its factorization.

195450740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 195450740 is about 13980.3698091288. The cubic root of 195450740 is about 580.3354579434.

The spelling of 195450740 in words is "one hundred ninety-five million, four hundred fifty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 79 103 158 206 316 395 412 515 790 1030 1201 1580 2060 2402 4804 6005 8137 12010 16274 24020 32548 40685 81370 94879 123703 162740 189758 247406 379516 474395 494812 618515 948790 1237030 1897580 2474060 9772537 19545074 39090148 48862685 97725370 195450740