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153103120 = 2451913789
BaseRepresentation
bin10010010000000…
…10101100010000
3101200002102222221
421020002230100
5303143244440
623105310424
73536232532
oct1110025420
9350072887
10153103120
1179471705
1243335414
1325947481
1416495852
15d693d4a
hex9202b10

153103120 has 20 divisors (see below), whose sum is σ = 355964940. Its totient is φ = 61241216.

The previous prime is 153103109. The next prime is 153103127. The reversal of 153103120 is 21301351.

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 68757264 = 9184^2 + 8292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a junction number, because it is equal to n+sod(n) for n = 153103094 and 153103103.

It is not an unprimeable number, because it can be changed into a prime (153103127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956815 + ... + 956974.

It is an arithmetic number, because the mean of its divisors is an integer number (17798247).

Almost surely, 2153103120 is an apocalyptic number.

153103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153103120 is an abundant number, since it is smaller than the sum of its proper divisors (202861820).

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

153103120 is a wasteful number, since it uses less digits than its factorization.

153103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913802 (or 1913796 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 153103120 is about 12373.4845536736. The cubic root of 153103120 is about 534.9682573533.

Adding to 153103120 its reverse (21301351), we get a palindrome (174404471).

The spelling of 153103120 in words is "one hundred fifty-three million, one hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1913789 3827578 7655156 9568945 15310312 19137890 30620624 38275780 76551560 153103120