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43438490960 = 2454879671153
BaseRepresentation
bin101000011101001000…
…101100010101010000
311011010022011222100112
4220131020230111100
51202430223202320
631542205340452
73065306036534
oct503510542520
9134108158315
1043438490960
1117470994207
128503567728
1341335640b7
142161117bc4
1511e37e3ec5
hexa1d22c550

43438490960 has 80 divisors (see below), whose sum is σ = 101394391296. Its totient is φ = 17306763264.

The previous prime is 43438490959. The next prime is 43438490993. The reversal of 43438490960 is 6909483434.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 43438490899 and 43438490908.

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, 37673744 + ... + 37674896.

Almost surely, 243438490960 is an apocalyptic number.

43438490960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43438490960 is an abundant number, since it is smaller than the sum of its proper divisors (57955900336).

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

43438490960 is a wasteful number, since it uses less digits than its factorization.

43438490960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2614 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 43438490960 in words is "forty-three billion, four hundred thirty-eight million, four hundred ninety thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 487 967 974 1153 1934 1948 2306 2435 3868 3896 4612 4835 4870 5765 7736 7792 9224 9670 9740 11530 15472 18448 19340 19480 23060 38680 38960 46120 77360 92240 470929 561511 941858 1114951 1123022 1883716 2229902 2246044 2354645 2807555 3767432 4459804 4492088 4709290 5574755 5615110 7534864 8919608 8984176 9418580 11149510 11230220 17839216 18837160 22299020 22460440 37674320 44598040 44920880 89196080 542981137 1085962274 2171924548 2714905685 4343849096 5429811370 8687698192 10859622740 21719245480 43438490960