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1444485910 = 257131157523
BaseRepresentation
bin101011000011001…
…0001101100010110
310201200001111011011
41112012101230112
510424242022120
6355200202434
750536633120
oct12606215426
93650044134
101444485910
1168141370a
1234390941a
131a03560ba
14d9bb2210
1586c30c5a
hex56191b16

1444485910 has 32 divisors (see below), whose sum is σ = 2994216192. Its totient is φ = 491468640.

The previous prime is 1444485899. The next prime is 1444485929. The reversal of 1444485910 is 195844441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69592 + ... + 87931.

It is an arithmetic number, because the mean of its divisors is an integer number (93569256).

Almost surely, 21444485910 is an apocalyptic number.

1444485910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444485910 is an abundant number, since it is smaller than the sum of its proper divisors (1549730282).

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

1444485910 is a wasteful number, since it uses less digits than its factorization.

1444485910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157668.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1444485910 is about 38006.3930148600. The cubic root of 1444485910 is about 1130.4146310397.

The spelling of 1444485910 in words is "one billion, four hundred forty-four million, four hundred eighty-five thousand, nine hundred ten".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 9170 157523 315046 787615 1102661 1575230 2205322 5513305 11026610 20635513 41271026 103177565 144448591 206355130 288897182 722242955 1444485910