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103023220 = 2256776883
BaseRepresentation
bin1100010010000…
…00001001110100
321011212010021211
412021000021310
5202333220340
614120051204
72360453146
oct611001164
9234763254
10103023220
1153176963
122a603b04
13184618b1
14d97ac96
1590a05ea
hex6240274

103023220 has 24 divisors (see below), whose sum is σ = 219580704. Its totient is φ = 40593696.

The previous prime is 103023197. The next prime is 103023229. The reversal of 103023220 is 22320301.

It is a happy number.

It is a super-2 number, since 2×1030232202 = 21227567718336800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103023220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37102 + ... + 39781.

It is an arithmetic number, because the mean of its divisors is an integer number (9149196).

Almost surely, 2103023220 is an apocalyptic number.

103023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103023220 is an abundant number, since it is smaller than the sum of its proper divisors (116557484).

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

103023220 is a wasteful number, since it uses less digits than its factorization.

103023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76959 (or 76957 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 103023220 is about 10150.0354679183. The cubic root of 103023220 is about 468.7900369951.

Adding to 103023220 its reverse (22320301), we get a palindrome (125343521).

The spelling of 103023220 in words is "one hundred three million, twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 76883 153766 307532 384415 768830 1537660 5151161 10302322 20604644 25755805 51511610 103023220