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102033420 = 223519374159
BaseRepresentation
bin1100001010011…
…10100000001100
321002222211112120
412011032200030
5202110032140
614042532540
72346161346
oct605164014
9232884476
10102033420
1152660245
122a207150
13181a6208
14d7a0296
158e571d0
hex614e80c

102033420 has 192 divisors, whose sum is σ = 321753600. Its totient is φ = 24053760.

The previous prime is 102033413. The next prime is 102033443. The reversal of 102033420 is 24330201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102033420.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1729351 + ... + 1729409.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2102033420 is an apocalyptic number.

102033420 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 102033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160876800).

102033420 is an abundant number, since it is smaller than the sum of its proper divisors (219720180).

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

102033420 is a wasteful number, since it uses less digits than its factorization.

102033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102033420 is about 10101.1593394026. The cubic root of 102033420 is about 467.2838964222.

Adding to 102033420 its reverse (24330201), we get a palindrome (126363621).

The spelling of 102033420 in words is "one hundred two million, thirty-three thousand, four hundred twenty".