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56167040 = 2751931149
BaseRepresentation
bin1101011001000…
…0101010000000
310220200120200202
43112100222000
5103334321130
65323504332
71251261206
oct326205200
9126616622
1056167040
1129783146
12169880a8
13b837447
147661076
154de7145
hex3590a80

56167040 has 128 divisors (see below), whose sum is σ = 146880000. Its totient is φ = 20459520.

The previous prime is 56167039. The next prime is 56167043. The reversal of 56167040 is 4076165.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 56166994 and 56167012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56167043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376886 + ... + 377034.

It is an arithmetic number, because the mean of its divisors is an integer number (1147500).

Almost surely, 256167040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56167040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73440000).

56167040 is an abundant number, since it is smaller than the sum of its proper divisors (90712960).

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

56167040 is a wasteful number, since it uses less digits than its factorization.

56167040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 56167040 is about 7494.4672926099. The cubic root of 56167040 is about 382.9662589832.

The spelling of 56167040 in words is "fifty-six million, one hundred sixty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 31 32 38 40 62 64 76 80 95 124 128 149 152 155 160 190 248 298 304 310 320 380 496 589 596 608 620 640 745 760 992 1178 1192 1216 1240 1490 1520 1984 2356 2384 2432 2480 2831 2945 2980 3040 3968 4619 4712 4768 4960 5662 5890 5960 6080 9238 9424 9536 9920 11324 11780 11920 12160 14155 18476 18848 19072 19840 22648 23095 23560 23840 28310 36952 37696 45296 46190 47120 47680 56620 73904 75392 87761 90592 92380 94240 95360 113240 147808 175522 181184 184760 188480 226480 295616 351044 362368 369520 376960 438805 452960 591232 702088 739040 877610 905920 1404176 1478080 1755220 1811840 2808352 2956160 3510440 5616704 7020880 11233408 14041760 28083520 56167040