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103007478 = 23723293677
BaseRepresentation
bin1100010001111…
…00010011110110
321011211022200210
412020330103312
5202332214403
614115450250
72360356230
oct610742366
9234738623
10103007478
1153166052
122a5b6986
1318457692
14d975250
15909ab03
hex623c4f6

103007478 has 64 divisors (see below), whose sum is σ = 254223360. Its totient is φ = 27172992.

The previous prime is 103007477. The next prime is 103007537. The reversal of 103007478 is 874700301.

It is a happy number.

It is a super-2 number, since 2×1030074782 = 21221081047840968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103007473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26176 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (3972240).

Almost surely, 2103007478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103007478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127111680).

103007478 is an abundant number, since it is smaller than the sum of its proper divisors (151215882).

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

103007478 is a wasteful number, since it uses less digits than its factorization.

103007478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 103007478 is about 10149.2599730227. The cubic root of 103007478 is about 468.7661586608.

Adding to 103007478 its reverse (874700301), we get a palindrome (977707779).

The spelling of 103007478 in words is "one hundred three million, seven thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 23 29 42 46 58 69 87 138 161 174 203 322 406 483 609 667 966 1218 1334 2001 3677 4002 4669 7354 9338 11031 14007 22062 25739 28014 51478 77217 84571 106633 154434 169142 213266 253713 319899 507426 591997 639798 746431 1183994 1492862 1775991 2239293 2452559 3551982 4478586 4905118 7357677 14715354 17167913 34335826 51503739 103007478