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55100152 = 2319219079
BaseRepresentation
bin1101001000110…
…0001011111000
310211200101012101
43102030023320
5103101201102
65244553144
71236225562
oct322141370
9124611171
1055100152
1129114618
12165527b4
13b552953
147464332
154c85e87
hex348c2f8

55100152 has 24 divisors (see below), whose sum is σ = 109042200. Its totient is φ = 26098704.

The previous prime is 55100081. The next prime is 55100153. The reversal of 55100152 is 25100155.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6652 + ... + 12427.

It is an arithmetic number, because the mean of its divisors is an integer number (4543425).

Almost surely, 255100152 is an apocalyptic number.

It is an amenable number.

55100152 is a deficient number, since it is larger than the sum of its proper divisors (53942048).

55100152 is a wasteful number, since it uses less digits than its factorization.

55100152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19123 (or 19100 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 55100152 is about 7422.9476624856. The cubic root of 55100152 is about 380.5259384066.

The spelling of 55100152 in words is "fifty-five million, one hundred thousand, one hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 361 722 1444 2888 19079 38158 76316 152632 362501 725002 1450004 2900008 6887519 13775038 27550076 55100152