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97768960 = 295181211
BaseRepresentation
bin1011101001111…
…01011000000000
320210222011210121
411310331120000
5200012101320
613411310024
72265010462
oct564753000
9223864717
1097768960
11502082a3
12288ab314
1317342173
14cdb0132
1588b38aa
hex5d3d600

97768960 has 80 divisors (see below), whose sum is σ = 236828592. Its totient is φ = 38707200.

The previous prime is 97768949. The next prime is 97768963. The reversal of 97768960 is 6986779.

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 = 97768898 and 97768907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97768963) 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, 463255 + ... + 463465.

Almost surely, 297768960 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 97768960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118414296).

97768960 is an abundant number, since it is smaller than the sum of its proper divisors (139059632).

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

97768960 is a wasteful number, since it uses less digits than its factorization.

97768960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 97768960 is about 9887.8187685657. The cubic root of 97768960 is about 460.6810328171.

The spelling of 97768960 in words is "ninety-seven million, seven hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 181 211 256 320 362 422 512 640 724 844 905 1055 1280 1448 1688 1810 2110 2560 2896 3376 3620 4220 5792 6752 7240 8440 11584 13504 14480 16880 23168 27008 28960 33760 38191 46336 54016 57920 67520 76382 92672 108032 115840 135040 152764 190955 231680 270080 305528 381910 463360 540160 611056 763820 1222112 1527640 2444224 3055280 4888448 6110560 9776896 12221120 19553792 24442240 48884480 97768960