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145843700 = 22524013637
BaseRepresentation
bin10001011000101…
…10010111110100
3101011102121221112
420230112113310
5244313444300
622245534152
73420436202
oct1054262764
9334377845
10145843700
1175363592
1240a14358
13242a5162
1415526072
15cc0ce35
hex8b165f4

145843700 has 36 divisors (see below), whose sum is σ = 317357292. Its totient is φ = 58176000.

The previous prime is 145843673. The next prime is 145843703. The reversal of 145843700 is 7348541.

145843700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1747684 + 144096016 = 1322^2 + 12004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145843703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38282 + ... + 41918.

Almost surely, 2145843700 is an apocalyptic number.

145843700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145843700 is an abundant number, since it is smaller than the sum of its proper divisors (171513592).

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

145843700 is a wasteful number, since it uses less digits than its factorization.

145843700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145843700 is about 12076.5765016415. The cubic root of 145843700 is about 526.3757718129.

The spelling of 145843700 in words is "one hundred forty-five million, eight hundred forty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 401 802 1604 2005 3637 4010 7274 8020 10025 14548 18185 20050 36370 40100 72740 90925 181850 363700 1458437 2916874 5833748 7292185 14584370 29168740 36460925 72921850 145843700