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145893084 = 22329835051
BaseRepresentation
bin10001011001000…
…10011011011100
3101011112010200120
420230202123130
5244322034314
622250554540
73421033161
oct1054423334
9334463616
10145893084
11753976a7
1240a38a50
13242c178c
141553a068
15cc1c8a9
hex8b226dc

145893084 has 48 divisors (see below), whose sum is σ = 356469120. Its totient is φ = 46379200.

The previous prime is 145893079. The next prime is 145893101. The reversal of 145893084 is 480398541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26359 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (7426440).

Almost surely, 2145893084 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 145893084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178234560).

145893084 is an abundant number, since it is smaller than the sum of its proper divisors (210576036).

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

145893084 is a wasteful number, since it uses less digits than its factorization.

145893084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 145893084 is about 12078.6209477738. The cubic root of 145893084 is about 526.4351769790.

The spelling of 145893084 in words is "one hundred forty-five million, eight hundred ninety-three thousand, eighty-four".

Divisors: 1 2 3 4 6 12 29 58 83 87 116 166 174 249 332 348 498 996 2407 4814 5051 7221 9628 10102 14442 15153 20204 28884 30306 60612 146479 292958 419233 439437 585916 838466 878874 1257699 1676932 1757748 2515398 5030796 12157757 24315514 36473271 48631028 72946542 145893084