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100503480 = 233571173149
BaseRepresentation
bin1011111110110…
…00111110111000
321000010002212010
411333120332320
5201212102410
613550045520
72330160030
oct577307670
9230102763
10100503480
1151805830
12297a98a0
1317a8ba1c
14d4c28c0
158c53c20
hex5fd8fb8

100503480 has 256 divisors, whose sum is σ = 383616000. Its totient is φ = 20459520.

The previous prime is 100503467. The next prime is 100503493. The reversal of 100503480 is 84305001.

It is an interprime number because it is at equal distance from previous prime (100503467) and next prime (100503493).

It is a super-2 number, since 2×1005034802 = 20201898984220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 674446 + ... + 674594.

It is an arithmetic number, because the mean of its divisors is an integer number (1498500).

Almost surely, 2100503480 is an apocalyptic number.

100503480 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 100503480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191808000).

100503480 is an abundant number, since it is smaller than the sum of its proper divisors (283112520).

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

100503480 is a wasteful number, since it uses less digits than its factorization.

100503480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 100503480 is about 10025.1423930037. The cubic root of 100503480 is about 464.9365620476.

Adding to 100503480 its reverse (84305001), we get a palindrome (184808481).

It can be divided in two parts, 10050 and 3480, that added together give a triangular number (13530 = T164).

The spelling of 100503480 in words is "one hundred million, five hundred three thousand, four hundred eighty".