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153105040 = 24511199157
BaseRepresentation
bin10010010000000…
…11001010010000
3101200002112122001
421020003022100
5303143330130
623105323344
73536241244
oct1110031220
9350075561
10153105040
11794730a0
1243336554
13259482ca
1416496424
15d6946ca
hex9203290

153105040 has 80 divisors (see below), whose sum is σ = 408813120. Its totient is φ = 52738560.

The previous prime is 153105023. The next prime is 153105041. The reversal of 153105040 is 40501351.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 153104999 and 153105017.

It is not an unprimeable number, because it can be changed into a prime (153105041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12142 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (5110164).

Almost surely, 2153105040 is an apocalyptic number.

153105040 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 153105040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204406560).

153105040 is an abundant number, since it is smaller than the sum of its proper divisors (255708080).

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

153105040 is a wasteful number, since it uses less digits than its factorization.

153105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9194 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 153105040 is about 12373.5621386891. The cubic root of 153105040 is about 534.9704936124.

Adding to 153105040 its reverse (40501351), we get a palindrome (193606391).

The spelling of 153105040 in words is "one hundred fifty-three million, one hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 38 40 44 55 76 80 88 95 110 152 176 190 209 220 304 380 418 440 760 836 880 1045 1520 1672 2090 3344 4180 8360 9157 16720 18314 36628 45785 73256 91570 100727 146512 173983 183140 201454 347966 366280 402908 503635 695932 732560 805816 869915 1007270 1391864 1611632 1739830 1913813 2014540 2783728 3479660 3827626 4029080 6959320 7655252 8058160 9569065 13918640 15310504 19138130 30621008 38276260 76552520 153105040