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1144664150 = 252731105499
BaseRepresentation
bin100010000111010…
…0011000001010110
32221202212222000112
41010032203001112
54321013223100
6305330043022
740236325160
oct10416430126
92852788015
101144664150
11538151133
1227b419472
131531bb486
14ac047930
156a759b35
hex443a3056

1144664150 has 48 divisors (see below), whose sum is σ = 2511744000. Its totient is φ = 379792800.

The previous prime is 1144664149. The next prime is 1144664159. The reversal of 1144664150 is 514664411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144664159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41900 + ... + 63599.

It is an arithmetic number, because the mean of its divisors is an integer number (52328000).

Almost surely, 21144664150 is an apocalyptic number.

1144664150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144664150 is an abundant number, since it is smaller than the sum of its proper divisors (1367079850).

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

1144664150 is a wasteful number, since it uses less digits than its factorization.

1144664150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105549 (or 105544 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1144664150 is about 33832.8856292218. The cubic root of 1144664150 is about 1046.0666596156.

The spelling of 1144664150 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 31 35 50 62 70 155 175 217 310 350 434 775 1085 1550 2170 5425 10850 105499 210998 527495 738493 1054990 1476986 2637475 3270469 3692465 5274950 6540938 7384930 16352345 18462325 22893283 32704690 36924650 45786566 81761725 114466415 163523450 228932830 572332075 1144664150