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245436306672 = 2435529192479
BaseRepresentation
bin1110010010010100100…
…1001101010011110000
3212110111212201012210110
43210211021031103300
513010123143303142
6304430223501320
723506066120254
oct3444511152360
9773455635713
10245436306672
11950a843a977
123b698157840
131a1b574433b
14bc44686264
1565b734899c
hex392524d4f0

245436306672 has 40 divisors (see below), whose sum is σ = 634062115840. Its totient is φ = 81809737920.

The previous prime is 245436306637. The next prime is 245436306697. The reversal of 245436306672 is 276603634542.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607729 + ... + 2700207.

It is an arithmetic number, because the mean of its divisors is an integer number (15851552896).

Almost surely, 2245436306672 is an apocalyptic number.

It is an amenable number.

245436306672 is an abundant number, since it is smaller than the sum of its proper divisors (388625809168).

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

245436306672 is a wasteful number, since it uses less digits than its factorization.

245436306672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147781 (or 147775 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 245436306672 in words is "two hundred forty-five billion, four hundred thirty-six million, three hundred six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 55291 92479 110582 165873 184958 221164 277437 331746 369916 442328 554874 663492 739832 884656 1109748 1326984 1479664 2219496 2653968 4438992 5113256389 10226512778 15339769167 20453025556 30679538334 40906051112 61359076668 81812102224 122718153336 245436306672