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2190216148 = 221743174731
BaseRepresentation
bin1000001010001100…
…0000101111010100
312122122021111201121
42002203000233110
513441143404043
61001155533324
7105163346551
oct20243005724
95578244647
102190216148
11a2435789a
125115ba244
1328b9b72b3
1416ac51a28
15cc437ded
hex828c0bd4

2190216148 has 24 divisors (see below), whose sum is σ = 4067812224. Its totient is φ = 1028284800.

The previous prime is 2190216139. The next prime is 2190216169. The reversal of 2190216148 is 8416120912.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8058 + ... + 66673.

It is an arithmetic number, because the mean of its divisors is an integer number (169492176).

Almost surely, 22190216148 is an apocalyptic number.

It is an amenable number.

2190216148 is a deficient number, since it is larger than the sum of its proper divisors (1877596076).

2190216148 is a wasteful number, since it uses less digits than its factorization.

2190216148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75183 (or 75181 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2190216148 is about 46799.7451702464. The cubic root of 2190216148 is about 1298.6605825741.

The spelling of 2190216148 in words is "two billion, one hundred ninety million, two hundred sixteen thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 431 862 1724 7327 14654 29308 74731 149462 298924 1270427 2540854 5081708 32209061 64418122 128836244 547554037 1095108074 2190216148