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229675840 = 2654715271
BaseRepresentation
bin11011011000010…
…01001101000000
3121000011202000121
431230021031000
5432244111330
634442430024
75456132602
oct1554111500
9530152017
10229675840
11108711949
1264b02314
1338777884
1422709172
151526c17a
hexdb09340

229675840 has 56 divisors (see below), whose sum is σ = 558588672. Its totient is φ = 89909760.

The previous prime is 229675837. The next prime is 229675843. The reversal of 229675840 is 48576922.

It is an interprime number because it is at equal distance from previous prime (229675837) and next prime (229675843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229675843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7405 + ... + 22675.

Almost surely, 2229675840 is an apocalyptic number.

229675840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229675840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279294336).

229675840 is an abundant number, since it is smaller than the sum of its proper divisors (328912832).

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

229675840 is a wasteful number, since it uses less digits than its factorization.

229675840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15335 (or 15325 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 229675840 is about 15155.0598811090. The cubic root of 229675840 is about 612.4045909976.

The spelling of 229675840 in words is "two hundred twenty-nine million, six hundred seventy-five thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 160 188 235 320 376 470 752 940 1504 1880 3008 3760 7520 15040 15271 30542 61084 76355 122168 152710 244336 305420 488672 610840 717737 977344 1221680 1435474 2443360 2870948 3588685 4886720 5741896 7177370 11483792 14354740 22967584 28709480 45935168 57418960 114837920 229675840