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4354854640 = 245173202099
BaseRepresentation
bin1000000111001000…
…11100111011110000
3102020111102112111121
410003210130323300
532404320322030
62000043352024
7212626440133
oct40344347360
912214375447
104354854640
111935224824
12a16522614
135452b7486
142d452621a
151a74bc47a
hex10391cef0

4354854640 has 40 divisors (see below), whose sum is σ = 10720630800. Its totient is φ = 1639474176.

The previous prime is 4354854631. The next prime is 4354854641. The reversal of 4354854640 is 464584534.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4354854641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599690 + ... + 1602409.

It is an arithmetic number, because the mean of its divisors is an integer number (268015770).

Almost surely, 24354854640 is an apocalyptic number.

4354854640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4354854640 is an abundant number, since it is smaller than the sum of its proper divisors (6365776160).

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

4354854640 is a wasteful number, since it uses less digits than its factorization.

4354854640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202129 (or 3202123 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

The square root of 4354854640 is about 65991.3224598507. The cubic root of 4354854640 is about 1633.0189374968.

The spelling of 4354854640 in words is "four billion, three hundred fifty-four million, eight hundred fifty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 3202099 6404198 12808396 16010495 25616792 32020990 51233584 54435683 64041980 108871366 128083960 217742732 256167920 272178415 435485464 544356830 870970928 1088713660 2177427320 4354854640