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131164000 = 2553112271
BaseRepresentation
bin1111101000101…
…10011101100000
3100010210211011221
413310112131200
5232034222000
621003144424
73151606222
oct764263540
9303724157
10131164000
1168047500
1237b15114
1321235546
14135c4412
15b7ad61a
hex7d16760

131164000 has 144 divisors (see below), whose sum is σ = 355537728. Its totient is φ = 47520000.

The previous prime is 131163997. The next prime is 131164037. The reversal of 131164000 is 461131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483865 + ... + 484135.

It is an arithmetic number, because the mean of its divisors is an integer number (2469012).

Almost surely, 2131164000 is an apocalyptic number.

131164000 is a gapful number since it is divisible by the number (10) 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 131164000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177768864).

131164000 is an abundant number, since it is smaller than the sum of its proper divisors (224373728).

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

131164000 is a wasteful number, since it uses less digits than its factorization.

131164000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131164000 is about 11452.6852746419. The cubic root of 131164000 is about 508.0871572200.

The spelling of 131164000 in words is "one hundred thirty-one million, one hundred sixty-four thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 121 125 160 176 200 220 242 250 271 275 352 400 440 484 500 542 550 605 800 880 968 1000 1084 1100 1210 1355 1375 1760 1936 2000 2168 2200 2420 2710 2750 2981 3025 3872 4000 4336 4400 4840 5420 5500 5962 6050 6775 8672 8800 9680 10840 11000 11924 12100 13550 14905 15125 19360 21680 22000 23848 24200 27100 29810 30250 32791 33875 43360 44000 47696 48400 54200 59620 60500 65582 67750 74525 95392 96800 108400 119240 121000 131164 135500 149050 163955 216800 238480 242000 262328 271000 298100 327910 372625 476960 484000 524656 542000 596200 655820 745250 819775 1049312 1084000 1192400 1311640 1490500 1639550 2384800 2623280 2981000 3279100 4098875 5246560 5962000 6558200 8197750 11924000 13116400 16395500 26232800 32791000 65582000 131164000