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103073440 = 2554991291
BaseRepresentation
bin1100010010011…
…00011010100000
321011221200011211
412021030122200
5202341322230
614121115504
72361052441
oct611143240
9234850154
10103073440
1153200668
122a628b94
131847b702
14d9912c8
1590b042a
hex624c6a0

103073440 has 48 divisors (see below), whose sum is σ = 244188000. Its totient is φ = 41114880.

The previous prime is 103073437. The next prime is 103073449. The reversal of 103073440 is 44370301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (103073449) 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, 79195 + ... + 80485.

It is an arithmetic number, because the mean of its divisors is an integer number (5087250).

Almost surely, 2103073440 is an apocalyptic number.

103073440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103073440 is an abundant number, since it is smaller than the sum of its proper divisors (141114560).

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

103073440 is a wasteful number, since it uses less digits than its factorization.

103073440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 103073440 is about 10152.5090494912. The cubic root of 103073440 is about 468.8661972086.

The spelling of 103073440 in words is "one hundred three million, seventy-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 499 998 1291 1996 2495 2582 3992 4990 5164 6455 7984 9980 10328 12910 15968 19960 20656 25820 39920 41312 51640 79840 103280 206560 644209 1288418 2576836 3221045 5153672 6442090 10307344 12884180 20614688 25768360 51536720 103073440